CVE-2021-20264

{"containers": {"cna": {"affected": [{"product": "containers/openjdk", "vendor": "n/a", "versions": [{"status": "affected", "version": "openjdk 1.8"}]}], "descriptions": [{"lang": "en", "value": "An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify the /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-266", "description": "CWE-266", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-06T15:12:05.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932283"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2021-20264", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "containers/openjdk", "version": {"version_data": [{"version_value": "openjdk 1.8"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify the /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-266"}]}]}, "references": {"reference_data": [{"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1932283", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932283"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:37:23.455Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932283"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-20264", "datePublished": "2021-10-06T15:12:05.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:37:23.455Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "containers/openjdk", "vendor": "n/a", "versions": [{"status": "affected", "version": "openjdk 1.8"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oracle:openjdk:1.8.0:*:*:*:*:*:*:*", "matchCriteriaId": "2CA81243-2FC7-481B-AFD8-067E3EC9DF77", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:openjdk:11:*:*:*:*:*:*:*", "matchCriteriaId": "465CFA59-8E94-415A-ACF0-E678826813BE", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify the /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."}, {"lang": "es", "value": "Se ha encontrado un fallo de modificaci\u00f3n no seguro en el archivo /etc/passwd en los contenedores openjdk-1.8 y openjdk-11. Este defecto permite a un atacante con acceso al contenedor modificar el /etc/passwd y escalar sus privilegios. La mayor amenaza de esta vulnerabilidad es para la confidencialidad, la integridad y la disponibilidad del sistema"}], "id": "CVE-2021-20264", "lastModified": "2026-06-17T03:33:34.150", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-06T16:15:07.297", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932283"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932283"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-266"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-732"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Lukas Najman (Quadient) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2021:0945", "cpe": "cpe:/a:redhat:openjdk:11", "package": "openjdk/openjdk-11-rhel7", "product_name": "Red Hat Build of OpenJDK", "release_date": "2021-03-19T00:00:00Z"}, {"advisory": "RHSA-2021:0945", "cpe": "cpe:/a:redhat:openjdk:11", "package": "ubi8/openjdk-11", "product_name": "Red Hat Build of OpenJDK", "release_date": "2021-03-19T00:00:00Z"}, {"advisory": "RHSA-2021:0946", "cpe": "cpe:/a:redhat:openjdk:1.8", "package": "redhat-openjdk-18/openjdk18-openshift", "product_name": "Red Hat Build of OpenJDK", "release_date": "2021-03-19T00:00:00Z"}, {"advisory": "RHSA-2021:0946", "cpe": "cpe:/a:redhat:openjdk:1.8", "package": "ubi8/openjdk-8", "product_name": "Red Hat Build of OpenJDK", "release_date": "2021-03-19T00:00:00Z"}], "bugzilla": {"description": "containers/openjdk: /etc/passwd is given incorrect privileges", "id": "1932283", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932283"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-266", "details": ["An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify the /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.", "An insecure modification flaw in the /etc/passwd file was found in the openjdk-1.8 and openjdk-11 containers. This flaw allows an attacker with access to the container to modify /etc/passwd and escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."], "name": "CVE-2021-20264", "public_date": "2020-01-21T06:40:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-20264\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-20264"], "threat_severity": "Moderate"}

{}