CVE-2020-10931

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*", "matchCriteriaId": "4B224531-B654-4A70-A6B9-476B6A03D1DF", "versionEndExcluding": "1.6.2", "versionStartIncluding": "1.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c."}, {"lang": "es", "value": "Memcached versiones 1.6.x anteriores a la versi\u00f3n 1.6.2, permite a atacantes remotos causar una denegaci\u00f3n de servicio (bloqueo del demonio) por medio de un encabezado de protocolo binario dise\u00f1ado para la funci\u00f3n try_read_command_binary en el archivo memcached.c."}], "id": "CVE-2020-10931", "lastModified": "2026-06-17T02:48:42.160", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-03-24T15:15:12.107", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/memcached/memcached/commit/02c6a2b62ddcb6fa4569a591d3461a156a636305"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/memcached/memcached/issues/629"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/memcached/memcached/wiki/ReleaseNotes162"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/memcached/memcached/commit/02c6a2b62ddcb6fa4569a591d3461a156a636305"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/memcached/memcached/issues/629"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/memcached/memcached/wiki/ReleaseNotes162"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "memcached: mishandled memcpy into a stack-based buffer may lead to DoS", "id": "1816630", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1816630"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-121", "details": ["Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.", "A buffer overflow flaw was found in memcached 1.6.0, due to not having a mechanism to verify the length of \u201cextlen\u201d when calling the memcpy function if a large value is assigned to the \u201cextlen\u201d variable. This flaw causes a denial of service and presents a significant risk to system availability."], "name": "CVE-2020-10931", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "memcached", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "memcached", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "memcached", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:openstack:10", "fix_state": "Not affected", "package_name": "memcached", "product_name": "Red Hat OpenStack Platform 10 (Newton)"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Not affected", "package_name": "memcached", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}], "public_date": "2020-03-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-10931\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-10931\nhttps://github.com/memcached/memcached/wiki/ReleaseNotes162"], "statement": "This issue did not affect the versions of memcached as shipped with Red Hat Enterprise Linux 6, 7, and 8 as they did not include the vulnerable code.", "threat_severity": "Important"}

{}