CVE-2021-28683

{"id": "CVE-2021-28683", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-05-20T17:15:07.713", "references": [{"url": "https://blog.envoyproxy.io", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/envoyproxy/envoy/releases", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg", "tags": ["Not Applicable", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg", "tags": ["Third Party Advisory"], "source": "nvd@nist.gov"}, {"url": "https://blog.envoyproxy.io", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/envoyproxy/envoy/releases", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg", "tags": ["Not Applicable", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Envoy through 1.71.1. There is a remotely exploitable NULL pointer dereference and crash in TLS when an unknown TLS alert code is received."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Envoy versiones hasta 1.71.1. Se presenta una desreferencia de puntero NULL explotable remoto y bloqueo en TLS cuando es recibido un c\u00f3digo de alerta TLS desconocido"}], "lastModified": "2024-11-21T06:00:08.100", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:envoyproxy:envoy:1.16.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "065415B4-0F56-4AE3-B17D-B38416543DDC"}, {"criteria": "cpe:2.3:a:envoyproxy:envoy:1.17.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA926D71-E8B2-40D9-9D44-CAC09EB4FCA4"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}