{"id":"CVE-2023-50781","title":"A flaw was found in m2crypto","summary":"A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-203"],"vendor":"redhat","product":"update_infrastructure","affected":["enterprise_linux = 8.0","enterprise_linux = 9.0","update_infrastructure = 4","m2crypto <= 0.40.1"],"published":"2024-02-05","updated":"2026-09-16","sourceUpdated":"2026-09-16T20:16:07.447","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-50781","references":[{"url":"https://access.redhat.com/security/cve/CVE-2023-50781","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2254426","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2023-50781","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2254426","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50781"},{"url":"https://gitlab.com/m2crypto/m2crypto"},{"url":"https://gitlab.com/m2crypto/m2crypto/-/issues/342"}],"tags":["nvd","osv","pip"],"epss":0.01124,"epssPercentile":0.64341,"aliases":["GHSA-944j-8ch6-rf6x","PYSEC-2026-1595"],"ecosystem":"pip","scores":{"nvd":7.5,"osv":5.9},"ingestedAt":"2026-07-08T18:25:47.740Z","slug":"CVE-2023-50781","body":"## Overview\n\nA flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.\n\n## Affected\n\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n- `update_infrastructure = 4`\n- `m2crypto <= 0.40.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2023-50781)\n\nAffected packages:\n\n- `m2crypto <= 0.40.1`\n\nSource: https://osv.dev/vulnerability/GHSA-944j-8ch6-rf6x","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[{"seq":205750,"id":"CVE-2023-50781","ts":1789592771553,"field":"cvss","old":"5.9","new":"7.5"},{"seq":205749,"id":"CVE-2023-50781","ts":1789592771553,"field":"severity","old":"medium","new":"high"}]}