{"id":"CVE-2014-2897","aliases":["EUVD-2014-2920","GHSA-57g2-j46f-823v"],"status":"published","title":"The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding...","description":"The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding length when verification fails, which allows remote attackers to have unspecified impact via a crafted HMAC, which triggers an out-of-bounds read.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0277,"percentile":0.86419,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2020-01-28T15:41:59Z","modified":"2026-06-17T00:07:19Z","products":[{"vendor":"wolfssl","product":"wolfssl"}],"references":[{"url":"http://www.wolfssl.com/yaSSL/Blog/Entries/2014/4/11_wolfSSL_Security_Advisory__April_9%2C_2014.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.wolfssl.com/yaSSL/Docs-cyassl-changelog.html","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://seclists.org/oss-sec/2014/q2/126","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/oss-sec/2014/q2/130","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-2897"},{"url":"https://github.com/advisories/GHSA-57g2-j46f-823v"}],"sources":{"cve":[{"id":"CVE-2014-2897","description":"The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding length when verification fails, which allows remote attackers to have unspecified impact via a crafted HMAC, which triggers an out-of-bounds read.","status":"published","published":"2020-01-28T15:41:59Z","modified":"2024-08-06T10:28:46.375Z","updated_at":"2026-11-02T14:33:44.23164Z"}],"euvd":[{"id":"EUVD-2014-2920","description":"The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding length when verification fails, which allows remote attackers to have unspecified impact via a crafted HMAC, which triggers an out-of-bounds read.","status":"published","published":"2020-01-28T15:41:59Z","modified":"2024-08-06T10:28:46Z","updated_at":"2026-11-03T01:57:12.660671Z"}],"ghsa":[{"id":"GHSA-57g2-j46f-823v","title":"The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding...","description":"The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding length when verification fails, which allows remote attackers to have unspecified impact via a crafted HMAC, which triggers an out-of-bounds read.","status":"published","published":"2022-05-17T19:57:20Z","modified":"2023-01-28T05:05:01Z","updated_at":"2026-11-02T14:44:17.062669Z"}],"nvd":[{"id":"CVE-2014-2897","description":"The SSL 3 HMAC functionality in wolfSSL CyaSSL 2.5.0 before 2.9.4 does not check the padding length when verification fails, which allows remote attackers to have unspecified impact via a crafted HMAC, which triggers an out-of-bounds read.","status":"published","published":"2020-01-28T16:15:11.93Z","modified":"2026-06-17T00:07:19.827Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:02:59.461996Z"}]}}