CVE-2021-20199

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{}

{"affected": [{"affectedData": [{"product": "podman", "vendor": "n/a", "versions": [{"status": "affected", "version": "podman 1.8.0 onwards"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:podman_project:podman:*:*:*:*:*:*:*:*", "matchCriteriaId": "3720247B-439B-4853-9312-87AFBB4B763D", "versionEndExcluding": "3.0.0", "versionStartIncluding": "1.8.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Rootless containers run with Podman, receive all traffic with a source IP address of 127.0.0.1 (including from remote hosts). This impacts containerized applications that trust localhost (127.0.01) connections by default and do not require authentication. This issue affects Podman 1.8.0 onwards."}, {"lang": "es", "value": "Los contenedores Rootless se ejecutan con Podman, reciben todo el tr\u00e1fico con una direcci\u00f3n IP de origen 127.0.0.1 (incluyendo desde hosts remotos). Esto afecta a las aplicaciones en contenedores que conf\u00edan en las conexiones localhost (127.0.01) por defecto y no requieren autenticaci\u00f3n. Este problema afecta a Podman versi\u00f3n 1.8.0 en adelante"}], "id": "CVE-2021-20199", "lastModified": "2026-06-17T03:33:27.580", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-02T19:15:14.000", "references": [{"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1919050"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/containers/podman/issues/5138"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/containers/podman/pull/9052"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/rootless-containers/rootlesskit/pull/206"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1919050"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/containers/podman/issues/5138"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/containers/podman/pull/9052"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/rootless-containers/rootlesskit/pull/206"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-346"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2021:1796", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "container-tools:rhel8-8040020210407081426.59631bd5", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-05-18T00:00:00Z"}, {"advisory": "RHSA-2022:7954", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "podman-2:4.2.0-3.el9", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2022-11-15T00:00:00Z"}], "bugzilla": {"description": "podman: Remote traffic to rootless containers is seen as orginating from localhost", "id": "1919050", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1919050"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "status": "verified"}, "cwe": "CWE-346", "details": ["Rootless containers run with Podman, receive all traffic with a source IP address of 127.0.0.1 (including from remote hosts). This impacts containerized applications that trust localhost (127.0.01) connections by default and do not require authentication. This issue affects Podman 1.8.0 onwards.", "A flaw was found in podman. Rootless containers receive all traffic with a source IP address of 127.0.0.1 (including from remote hosts) which impact containerized applications that trust localhost (127.0.01) connections by default and do not require authentication. The highest threat from this vulnerability is to data integrity."], "mitigation": {"lang": "en:us", "value": "Configure containerized applications to require authentication for connections from all sources, including localhost."}, "name": "CVE-2021-20199", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "podman", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "container-tools:1.0/podman", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "container-tools:2.0/podman", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:openshift:3.11", "fix_state": "Not affected", "package_name": "podman", "product_name": "Red Hat OpenShift Container Platform 3.11"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Will not fix", "package_name": "podman", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2021-01-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-20199\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-20199"], "statement": "This issue does not affect Podman prior to version 1.8.0. Podman shipped in the following products are therefore not affected:\n* Red Hat Enterprise Linux 7 Extras\n* Red Hat Enterprise Linux 8 Container Tools stream 1.0\n* Red Hat Enterprise Linux 8 Container Tools stream 2.0\n* OpenShift Container Platform 3.11\n* OpenShift Container Platform 4.1 to 4.5", "threat_severity": "Moderate"}

{}