{
    "containers": {
        "cna": {
            "affected": [
                {
                    "platforms": [
                        "EX Series"
                    ],
                    "product": "Junos OS",
                    "vendor": "Juniper Networks",
                    "versions": [
                        {
                            "lessThan": "12.3R12-S19",
                            "status": "affected",
                            "version": "12.3",
                            "versionType": "custom"
                        }
                    ]
                },
                {
                    "product": "Junos OS",
                    "vendor": "Juniper Networks",
                    "versions": [
                        {
                            "lessThan": "15.1R7-S10",
                            "status": "affected",
                            "version": "15.1",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "18.3R3-S5",
                            "status": "affected",
                            "version": "18.3",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "18.4R3-S9",
                            "status": "affected",
                            "version": "18.4",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "19.1R3-S6",
                            "status": "affected",
                            "version": "19.1",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "19.2R1-S7, 19.2R3-S3",
                            "status": "affected",
                            "version": "19.2",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "19.3R3-S3",
                            "status": "affected",
                            "version": "19.3",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "19.4R3-S5",
                            "status": "affected",
                            "version": "19.4",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "20.1R2-S2, 20.1R3-S1",
                            "status": "affected",
                            "version": "20.1",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "20.2R3-S2",
                            "status": "affected",
                            "version": "20.2",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "20.3R3",
                            "status": "affected",
                            "version": "20.3",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "20.4R2-S1, 20.4R3",
                            "status": "affected",
                            "version": "20.4",
                            "versionType": "custom"
                        },
                        {
                            "lessThan": "21.1R1-S1, 21.1R2",
                            "status": "affected",
                            "version": "21.1",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "configurations": [
                {
                    "lang": "en",
                    "value": "The following minimal configuration is necessary: \n\n  [system services web-management http]\nor\n  [system services web-management https]"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Andy Coles of Microsoft MSRC Vulnerabilities and Mitigations Team"
                }
            ],
            "datePublic": "2021-10-13T00:00:00",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in J-Web of Juniper Networks Junos OS allows any low-privileged authenticated attacker to elevate their privileges to root. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S19; 15.1 versions prior to 15.1R7-S10; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2."
                }
            ],
            "exploits": [
                {
                    "lang": "en",
                    "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-22",
                            "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "dateUpdated": "2021-10-19T18:17:30",
                "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
                "shortName": "juniper"
            },
            "references": [
                {
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://kb.juniper.net/JSA11253"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "The following software releases have been updated to resolve this specific issue: 12.3R12-S19, 15.1R7-S10, 18.3R3-S5, 18.4R3-S9, 19.1R3-S6, 19.2R1-S7, 19.2R3-S3, 19.3R3-S3, 19.4R3-S5, 20.1R2-S2, 20.1R3-S1, 20.2R3-S2, 20.3R3, 20.4R2-S1, 20.4R3, 21.1R1-S1, 21.1R2, 21.2R1, and all subsequent releases."
                }
            ],
            "source": {
                "advisory": "JSA11253",
                "defect": [
                    "1591145"
                ],
                "discovery": "EXTERNAL"
            },
            "title": "Junos OS: J-Web: A path traversal vulnerability allows an authenticated attacker to elevate their privileges to root",
            "workarounds": [
                {
                    "lang": "en",
                    "value": "There are no viable workarounds for these issues other than disabling J-Web.\n\nTo reduce the risk of exploitation of these issues, use access lists or firewall filters to limit access to only trusted administrative networks, hosts and users."
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "x_legacyV4Record": {
                "CVE_data_meta": {
                    "ASSIGNER": "sirt@juniper.net",
                    "DATE_PUBLIC": "2021-10-13T16:00:00.000Z",
                    "ID": "CVE-2021-31385",
                    "STATE": "PUBLIC",
                    "TITLE": "Junos OS: J-Web: A path traversal vulnerability allows an authenticated attacker to elevate their privileges to root"
                },
                "affects": {
                    "vendor": {
                        "vendor_data": [
                            {
                                "product": {
                                    "product_data": [
                                        {
                                            "product_name": "Junos OS",
                                            "version": {
                                                "version_data": [
                                                    {
                                                        "platform": "EX Series",
                                                        "version_affected": "<",
                                                        "version_name": "12.3",
                                                        "version_value": "12.3R12-S19"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "15.1",
                                                        "version_value": "15.1R7-S10"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "18.3",
                                                        "version_value": "18.3R3-S5"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "18.4",
                                                        "version_value": "18.4R3-S9"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "19.1",
                                                        "version_value": "19.1R3-S6"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "19.2",
                                                        "version_value": "19.2R1-S7, 19.2R3-S3"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "19.3",
                                                        "version_value": "19.3R3-S3"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "19.4",
                                                        "version_value": "19.4R3-S5"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "20.1",
                                                        "version_value": "20.1R2-S2, 20.1R3-S1"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "20.2",
                                                        "version_value": "20.2R3-S2"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "20.3",
                                                        "version_value": "20.3R3"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "20.4",
                                                        "version_value": "20.4R2-S1, 20.4R3"
                                                    },
                                                    {
                                                        "version_affected": "<",
                                                        "version_name": "21.1",
                                                        "version_value": "21.1R1-S1, 21.1R2"
                                                    }
                                                ]
                                            }
                                        }
                                    ]
                                },
                                "vendor_name": "Juniper Networks"
                            }
                        ]
                    }
                },
                "configuration": [
                    {
                        "lang": "en",
                        "value": "The following minimal configuration is necessary: \n\n  [system services web-management http]\nor\n  [system services web-management https]"
                    }
                ],
                "credit": [
                    {
                        "lang": "eng",
                        "value": "Andy Coles of Microsoft MSRC Vulnerabilities and Mitigations Team"
                    }
                ],
                "data_format": "MITRE",
                "data_type": "CVE",
                "data_version": "4.0",
                "description": {
                    "description_data": [
                        {
                            "lang": "eng",
                            "value": "An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in J-Web of Juniper Networks Junos OS allows any low-privileged authenticated attacker to elevate their privileges to root. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S19; 15.1 versions prior to 15.1R7-S10; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2."
                        }
                    ]
                },
                "exploit": [
                    {
                        "lang": "en",
                        "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
                    }
                ],
                "generator": {
                    "engine": "Vulnogram 0.0.9"
                },
                "impact": {
                    "cvss": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                },
                "problemtype": {
                    "problemtype_data": [
                        {
                            "description": [
                                {
                                    "lang": "eng",
                                    "value": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"
                                }
                            ]
                        }
                    ]
                },
                "references": {
                    "reference_data": [
                        {
                            "name": "https://kb.juniper.net/JSA11253",
                            "refsource": "CONFIRM",
                            "url": "https://kb.juniper.net/JSA11253"
                        }
                    ]
                },
                "solution": [
                    {
                        "lang": "en",
                        "value": "The following software releases have been updated to resolve this specific issue: 12.3R12-S19, 15.1R7-S10, 18.3R3-S5, 18.4R3-S9, 19.1R3-S6, 19.2R1-S7, 19.2R3-S3, 19.3R3-S3, 19.4R3-S5, 20.1R2-S2, 20.1R3-S1, 20.2R3-S2, 20.3R3, 20.4R2-S1, 20.4R3, 21.1R1-S1, 21.1R2, 21.2R1, and all subsequent releases."
                    }
                ],
                "source": {
                    "advisory": "JSA11253",
                    "defect": [
                        "1591145"
                    ],
                    "discovery": "EXTERNAL"
                },
                "work_around": [
                    {
                        "lang": "en",
                        "value": "There are no viable workarounds for these issues other than disabling J-Web.\n\nTo reduce the risk of exploitation of these issues, use access lists or firewall filters to limit access to only trusted administrative networks, hosts and users."
                    }
                ]
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T22:55:53.811Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "tags": [
                            "x_refsource_CONFIRM",
                            "x_transferred"
                        ],
                        "url": "https://kb.juniper.net/JSA11253"
                    }
                ]
            }
        ]
    },
    "cveMetadata": {
        "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
        "assignerShortName": "juniper",
        "cveId": "CVE-2021-31385",
        "datePublished": "2021-10-19T18:17:30.207673Z",
        "dateReserved": "2021-04-15T00:00:00",
        "dateUpdated": "2024-09-16T16:17:37.197Z",
        "state": "PUBLISHED"
    },
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1"
}