{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.9.5"
              }
            ],
            "source": "CPE_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "f4efee1daefacb4d391f48dfcb8f025478e4e332"
            }
          ],
          "repo": "https://github.com/kyverno/kyverno",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-hgv6-w7r3-w4qw"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "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"
      }
    ]
  },
  "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.",
  "id": "CVE-2023-54356",
  "modified": "2026-09-05T03:31:10.779884514Z",
  "published": "2026-09-01T11:33:51.281Z",
  "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"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites"
}