{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2021-43980", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "assignerShortName": "apache", "dateUpdated": "2025-05-21T15:00:10.097Z", "dateReserved": "2021-11-17T00:00:00.000Z", "datePublished": "2022-09-28T00:00:00.000Z" }, "containers": { "cna": { "title": "Apache Tomcat: Information disclosure", "providerMetadata": { "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2022-10-30T00:00:00.000Z" }, "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" } ] }, { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-05-21T14:59:33.357809Z", "id": "CVE-2021-43980", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-21T15:00:10.097Z" } } ] } }