{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-54356", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-01-10T01:51:52.987Z", "datePublished": "2026-09-01T11:33:51.281Z", "dateUpdated": "2026-09-01T11:33:51.281Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-01T11:33:51.281Z"}, "datePublic": "2023-05-29T00:00:00.000Z", "title": "Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Inadequate Encryption Strength", "cweId": "CWE-326", "type": "CWE"}]}], "affected": [{"vendor": "kyverno", "product": "kyverno", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.9.5, 1.10.0"}, {"version": "1.9.5, 1.10.0", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:kyverno:kyverno:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.9.5"}]}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 9.3, "baseSeverity": "CRITICAL", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS"}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://github.com/kyverno/kyverno/security/advisories/GHSA-hgv6-w7r3-w4qw", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-hgv6-w7r3-w4qw)"}, {"name": "VulnCheck Advisory: Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/kyverno-before-1.9.5-sweet32-medium-strength-cipher-suites"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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