{"id":"CVE-2024-45191","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-45191","generatedAt":"2026-10-28T01:11:06.963Z","title":"The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes.","description":"An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.","published":"2024-08-22T16:15:10.000Z","lastModified":"2026-06-17T07:53:46.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-208"],"affected":["matrix/olm"],"epss":{"score":0.00454,"percentile":0.39161,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://gitlab.matrix.org/matrix-org/olm/","tags":["Product"],"source":"cve@mitre.org"},{"url":"https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://news.ycombinator.com/item?id=41249371","tags":["Issue Tracking"],"source":"cve@mitre.org"},{"url":"https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/","tags":["Exploit"],"source":"cve@mitre.org"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-45191","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}