{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-43980",
        "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "assignerShortName": "apache",
        "dateUpdated": "2024-08-04T04:10:16.914Z",
        "dateReserved": "2021-11-17T00:00:00",
        "datePublished": "2022-09-28T00:00:00"
    },
    "containers": {
        "cna": {
            "title": "Apache Tomcat: Information disclosure",
            "providerMetadata": {
                "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
                "shortName": "apache",
                "dateUpdated": "2022-10-30T00:00:00"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The simplified implementation of blocking reads and writes introduced in Tomcat 10 and back-ported to Tomcat 9.0.47 onwards exposed a long standing (but extremely hard to trigger) concurrency bug in Apache Tomcat 10.1.0 to 10.1.0-M12, 10.0.0-M1 to 10.0.18, 9.0.0-M1 to 9.0.60 and 8.5.0 to 8.5.77 that could cause client connections to share an Http11Processor instance resulting in responses, or part responses, to be received by the wrong client."
                }
            ],
            "affected": [
                {
                    "vendor": "Apache Software Foundation",
                    "product": "Apache Tomcat",
                    "versions": [
                        {
                            "version": "10.1.0-M1 to 10.1.0-M12",
                            "status": "affected"
                        },
                        {
                            "version": "10.0.0-M1 to 10.0.18",
                            "status": "affected"
                        },
                        {
                            "version": "9.0.0-M1 to 9.0.60",
                            "status": "affected"
                        },
                        {
                            "version": "8.5.0 to 8.5.77",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://lists.apache.org/thread/3jjqbsp6j88b198x5rmg99b1qr8ht3g3"
                },
                {
                    "name": "[oss-security] 20220928 CVE-2021-43980: Apache Tomcat: Information disclosure",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2022/09/28/1"
                },
                {
                    "name": "[debian-lts-announce] 20221026 [SECURITY] [DLA 3160-1] tomcat9 security update",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html"
                },
                {
                    "name": "DSA-5265",
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://www.debian.org/security/2022/dsa-5265"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Thanks to Adam Thomas, Richard Hernandez and Ryan Schmitt for discovering the issue and working with the Tomcat security team to identify the root cause and appropriate fix."
                }
            ],
            "metrics": [
                {
                    "other": {
                        "type": "unknown",
                        "content": {
                            "other": "important"
                        }
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')",
                            "cweId": "CWE-362"
                        }
                    ]
                }
            ],
            "x_generator": {
                "engine": "Vulnogram 0.0.9"
            },
            "source": {
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T04:10:16.914Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://lists.apache.org/thread/3jjqbsp6j88b198x5rmg99b1qr8ht3g3",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "[oss-security] 20220928 CVE-2021-43980: Apache Tomcat: Information disclosure",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2022/09/28/1"
                    },
                    {
                        "name": "[debian-lts-announce] 20221026 [SECURITY] [DLA 3160-1] tomcat9 security update",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html"
                    },
                    {
                        "name": "DSA-5265",
                        "tags": [
                            "vendor-advisory",
                            "x_transferred"
                        ],
                        "url": "https://www.debian.org/security/2022/dsa-5265"
                    }
                ]
            }
        ]
    }
}