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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:envoyproxy:envoy:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA8EC70B-A398-42FC-84C1-4892D07787F5", "versionEndIncluding": "1.12.4", "vulnerable": true}, {"criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*", "matchCriteriaId": "BD6FEA19-9B0B-4C82-B761-886EEEC92C6C", "versionEndIncluding": "1.13.2", "versionStartIncluding": "1.13.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*", "matchCriteriaId": "E9C469D7-95AD-4B4C-9C02-A65EF271DB40", "versionEndIncluding": "1.14.2", "versionStartIncluding": "1.14.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may exhaust file descriptors and/or memory when accepting too many connections."}, {"lang": "es", "value": "Envoy versi\u00f3n 1.14.2, 1.13.2, 1.12.4 o anteriores, puede agotar los descriptores de archivo y/o memoria al aceptar demasiadas conexiones"}], "id": "CVE-2020-8663", "lastModified": "2026-06-17T03:26:43.717", "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": "2020-07-01T15:15:15.877", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-v8q7-fq78-4997"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/envoyproxy/envoy/security/advisories/GHSA-v8q7-fq78-4997"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank the Envoy security team for reporting this issue.", "affected_release": [{"advisory": "RHSA-2020:2864", "cpe": "cpe:/a:redhat:service_mesh:1.0::el8", "package": "servicemesh-proxy-0:1.0.11-1.el8", "product_name": "OpenShift Service Mesh 1.0", "release_date": "2020-07-07T00:00:00Z"}, {"advisory": "RHSA-2020:2798", "cpe": "cpe:/a:redhat:service_mesh:1.1::el8", "package": "servicemesh-proxy-0:1.1.4-2.el8", "product_name": "OpenShift Service Mesh 1.1", "release_date": "2020-07-01T00:00:00Z"}], "bugzilla": {"description": "envoy: Resource exhaustion when accepting too many connections", "id": "1844254", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1844254"}, "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": "verified"}, "cwe": "CWE-400", "details": ["Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may exhaust file descriptors and/or memory when accepting too many connections.", "A flaw was found in envoy in versions through 1.14.1. Accepting too many connections may lead to an exhaustion of file descriptors and/or memory. The highest threat from this vulnerability is to system availability."], "name": "CVE-2020-8663", "public_date": "2020-06-30T19:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-8663\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-8663\nhttps://istio.io/latest/news/security/istio-security-2020-007/"], "statement": "A uncontrolled resource consumption vulnerability was found in Envoy. An attacker can initiate too many connections to the proxy potentially exhausting file descriptors and/or memory resulting in a denial of service.", "threat_severity": "Important"}

{}