{"id":"CVE-2023-54356","revision":"8b37db04405543c38296d1e419185137","records":[{"revision":"8b37db04405543c38296d1e419185137","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-54356","aliases":[],"title":"Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites","description":"Kyverno versions 1.9.4 and earlier support insecure 3DES cipher suites (TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA and TLS_RSA_WITH_3DES_EDE_CBC_SHA) on their TLS endpoints. These 64-bit block ciphers are vulnerable to the Sweet32 attack (CVE-2016-2183), which, over very long-lived TLS connections carrying large volumes of traffic, could allow an attacker to recover small amounts of plaintext. The issue is fixed in Kyverno 1.9.5 and 1.10.0.","state":0,"publishedAt":"2026-09-01T11:33:51.281+00:00","modifiedAt":"2026-10-08T15:21:05.553+00:00","affected":[{"ecosystem":"Vendor product","name":"kyverno","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"kyverno\",\n                    \"product\": \"kyverno\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.9.5, 1.10.0\"\n                        },\n                        {\n                            \"version\": \"1.9.5, 1.10.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:golang/github.com/kyverno/kyverno\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","score":3.7,"severity":"LOW"}],"references":["https://github.com/kyverno/kyverno/security/advisories/GHSA-hgv6-w7r3-w4qw","https://www.vulncheck.com/advisories/kyverno-before-1.9.5-sweet32-medium-strength-cipher-suites"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-54356","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-54356","identifiers":["CVE-2023-54356"]},"retained":false,"historicalAffected":[]}],"coverage":[]}