{ "containers": { "cna": { "affected": [ { "product": "Junos OS", "vendor": "Juniper Networks", "versions": [ { "lessThan": "19.3R1", "status": "unaffected", "version": "unspecified", "versionType": "custom" }, { "changes": [ { "at": "19.3R2-S6, 19.3R3-S3", "status": "unaffected" } ], "lessThan": "19.3*", "status": "affected", "version": "19.3R1", "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": "The Juniper SIRT wishes to thank Luca Ercoli regarding PR 1511853" } ], "datePublic": "2021-07-14T00:00:00", "descriptions": [ { "lang": "en", "value": "An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated attacker to escalate their privileges to root over the target device. junos:18.3R3-S5 junos:18.4R3-S9 junos:19.1R3-S6 junos:19.3R2-S6 junos:19.3R3-S3 junos:19.4R1-S4 junos:19.4R3-S4 junos:20.1R2-S2 junos:20.1R3 junos:20.2R3-S1 junos:20.3X75-D20 junos:20.3X75-D30 junos:20.4R2-S1 junos:20.4R3 junos:21.1R1-S1 junos:21.1R2 junos:21.2R1 junos:21.3R1 This issue affects: Juniper Networks Junos OS 19.3 versions 19.3R1 and above prior to 19.3R2-S6, 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. This issue does not affect Juniper Networks Junos OS versions prior to 19.3R1." } ], "exploits": [ { "lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability. However, a proof-of-concept exploit does exist in the wild." } ], "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-20", "description": "CWE-20 Improper Input Validation", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "description": "Privilege Escalation", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2021-07-15T20:00:48", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://kb.juniper.net/JSA11182" } ], "solutions": [ { "lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 19.3R2-S6, 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.\n\nIn addition to the above fixed releases, for the following not-affected releases additional security enhancements were included in Junos OS 18.3R3-S5, 18.4R3-S9, 19.1R3-S6 as a result of resolving this issue." } ], "source": { "advisory": "JSA11182", "defect": [ "1592021", "1511853" ], "discovery": "USER" }, "title": "Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root.", "workarounds": [ { "lang": "en", "value": "There are no viable workarounds for this issue 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": "2021-07-14T16:00:00.000Z", "ID": "CVE-2021-0278", "STATE": "PUBLIC", "TITLE": "Junos OS: J-Web allows a locally authenticated attacker to escalate their privileges to root." }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Junos OS", "version": { "version_data": [ { "version_affected": ">=", "version_name": "19.3", "version_value": "19.3R1" }, { "version_affected": "<", "version_name": "19.3", "version_value": "19.3R2-S6, 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" }, { "version_affected": "!<", "version_value": "19.3R1" } ] } } ] }, "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": "The Juniper SIRT wishes to thank Luca Ercoli regarding PR 1511853" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated attacker to escalate their privileges to root over the target device. junos:18.3R3-S5 junos:18.4R3-S9 junos:19.1R3-S6 junos:19.3R2-S6 junos:19.3R3-S3 junos:19.4R1-S4 junos:19.4R3-S4 junos:20.1R2-S2 junos:20.1R3 junos:20.2R3-S1 junos:20.3X75-D20 junos:20.3X75-D30 junos:20.4R2-S1 junos:20.4R3 junos:21.1R1-S1 junos:21.1R2 junos:21.2R1 junos:21.3R1 This issue affects: Juniper Networks Junos OS 19.3 versions 19.3R1 and above prior to 19.3R2-S6, 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. This issue does not affect Juniper Networks Junos OS versions prior to 19.3R1." } ] }, "exploit": [ { "lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability. However, a proof-of-concept exploit does exist in the wild." } ], "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-20 Improper Input Validation" } ] }, { "description": [ { "lang": "eng", "value": "Privilege Escalation" } ] } ] }, "references": { "reference_data": [ { "name": "https://kb.juniper.net/JSA11182", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA11182" } ] }, "solution": [ { "lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 19.3R2-S6, 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.\n\nIn addition to the above fixed releases, for the following not-affected releases additional security enhancements were included in Junos OS 18.3R3-S5, 18.4R3-S9, 19.1R3-S6 as a result of resolving this issue." } ], "source": { "advisory": "JSA11182", "defect": [ "1592021", "1511853" ], "discovery": "USER" }, "work_around": [ { "lang": "en", "value": "There are no viable workarounds for this issue 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": "2024-08-03T15:32:10.530Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://kb.juniper.net/JSA11182" } ] } ] }, "cveMetadata": { "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2021-0278", "datePublished": "2021-07-15T20:00:49.075880Z", "dateReserved": "2020-10-27T00:00:00", "dateUpdated": "2024-09-17T03:37:49.506Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }