{"id":"CVE-2023-54356","summary":"Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites","details":"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.","aliases":["GHSA-hgv6-w7r3-w4qw","GO-2023-1804"],"modified":"2026-09-04T11:30:16.910115189Z","published":"2026-09-01T11:33:51.281Z","database_specific":{"cwe_ids":["CWE-326"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54356.json","unresolved_ranges":[{"extracted_events":[{"fixed":"1.9.5, 1.10.0"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54356.json"},{"type":"ADVISORY","url":"https://github.com/kyverno/kyverno/security/advisories/GHSA-hgv6-w7r3-w4qw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54356"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/kyverno-before-1.9.5-sweet32-medium-strength-cipher-suites"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/kyverno/kyverno","events":[{"introduced":"0"},{"fixed":"f4efee1daefacb4d391f48dfcb8f025478e4e332"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.9.5"}],"source":"CPE_FIELD"}}],"versions":["v1.9.4","kyverno-policies-chart-2.7.4","kyverno-chart-2.7.4","v1.9.3","kyverno-policies-chart-2.7.3","kyverno-chart-2.7.3","v1.9.2","kyverno-policies-chart-2.7.2","kyverno-chart-2.7.2","v1.9.2-rc.1","kyverno-policies-chart-2.7.2-rc.1","kyverno-chart-2.7.2-rc.1","v1.9.1","kyverno-policies-chart-2.7.1","kyverno-chart-2.7.1","v1.9.1-rc.1","kyverno-policies-chart-2.7.1-rc.1","kyverno-chart-2.7.1-rc.1","v1.9.0","kyverno-policies-chart-2.7.0","kyverno-chart-2.7.0","v1.9.0-rc.4","kyverno-policies-chart-2.7.0-rc.4","kyverno-chart-2.7.0-rc.4","v1.9.0-rc.3","kyverno-policies-chart-2.7.0-rc.3","kyverno-chart-2.7.0-rc.3","v1.9.0-rc.2","kyverno-policies-chart-2.7.0-rc.2","kyverno-chart-2.7.0-rc.2","v1.9.0-rc.1","kyverno-policies-chart-2.7.0-rc.1","kyverno-chart-2.7.0-rc.1","v1.9.0-beta.2","kyverno-policies-chart-2.7.0-beta.2","kyverno-chart-2.7.0-beta.2","kyverno-policies-chart-2.7.0-beta.1","kyverno-chart-2.7.0-beta.1","v1.9.0-beta.1","1.9-dev","1.8-dev","1.7-dev","test-dev","1.6-dev","helm-chart-v2.1.3","v1.5.0-rc1","helm-chart-v2.1.0","v1.4.3","helm-chart-v2.0.3","v1.4.3-rc2","helm-chart-v2.0.3-rc2","v1.4.3-rc1","helm-chart-v2.0.3-rc1","v1.4.2","v1.4.2-rc4","v1.4.2-rc3","v1.4.2-rc2","v1.4.2-rc1","v1.4.1","v1.4.0-rc4","v1.4.0","v1.4.0-rc3","v1.4.0-rc2","v1.4.0-rc1","v1.3.6","v1.3.6-rc5","v1.3.6-rc4","v1.3.6-rc3","v1.3.6-rc2","v1.3.6-rc1","v1.3.5","v1.3.5-rc5","v1.3.5-rc4","v1.3.5-rc3","v1.3.5-rc2","v1.3.5-rc1","v1.3.4","v1.3.4-rc1","v1.3.3","v1.3.2","v1.3.2-rc3","v1.3.2-rc2","v1.3.2-rc1","v1.3.1","v1.3.0","v1.3.0-rc12","v1.3.0-rc11","v1.3.0-rc10","1.3.0-rc10","v1.3.0-rc9","v1.3.0-rc8","v1.3.0-rc7","v1.3.0-rc6","v1.3.0-rc5","v1.3.0-rc4","v1.3.0-rc3","v1.3.0-rc2","v1.3.0-rc1","v1.2.1","v1.2.0","v1.1.12","v1.1.11","v1.1.10","v1.1.9","v1.1.8","v1.1.7","v1.1.7-rc4","v1.1.7-rc3","v1.1.7-rc2","v1.1.7-rc1","v1.1.6","v1.1.6-rc5","v1.1.6-rc4","v1.1.6-rc3","v1.1.6-rc2","v1.1.6-rc1","v1.1.5","v1.1.4","v1.1.4-rc1","v1.1.3","v1.1.3-rc1","v1.1.2","v1.1.1","v1.0.0","v1.0.0-rc1","v0.11.0","v0.10.0","v0.9.1","v0.9.0","v0.8.0","v0.7.1","v0.7.0","v0.5.0","v0.4.0","v0.3.0","v0.2.0","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54356.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}