{"id":"CVE-2015-2951","aliases":["EUVD-2015-3035","GHSA-xx3c-6h6w-w5rg"],"status":"published","title":"JWT.php in F21 JWT before 2.0 allows remote attackers to bypass signature verification via...","description":"JWT.php in F21 JWT before 2.0 allows remote attackers to bypass signature verification via crafted tokens.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03746,"percentile":0.89939,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2015-06-05T10:00:00Z","modified":"2026-06-17T00:25:01Z","products":[{"vendor":"f21","product":"jwt"}],"references":[{"url":"http://jvn.jp/en/jp/JVN06120222/index.html","tags":["third-party-advisory","x_refsource_JVN","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/75021","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://jvndb.jvn.jp/jvndb/JVNDB-2015-000073","tags":["third-party-advisory","x_refsource_JVNDB","x_transferred","Vendor Advisory"]},{"url":"https://github.com/F21/jwt/commit/a327cf9052df8f9f97728ca0b5fa78a8231b79b6","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2015-2951"},{"url":"https://github.com/advisories/GHSA-xx3c-6h6w-w5rg"}],"sources":{"cve":[{"id":"CVE-2015-2951","description":"JWT.php in F21 JWT before 2.0 allows remote attackers to bypass signature verification via crafted tokens.","status":"published","published":"2015-06-05T10:00:00Z","modified":"2024-08-06T05:32:20.762Z","updated_at":"2026-11-02T14:35:41.621934Z"}],"euvd":[{"id":"EUVD-2015-3035","description":"JWT.php in F21 JWT before 2.0 allows remote attackers to bypass signature verification via crafted tokens.","status":"published","published":"2015-06-05T10:00:00Z","modified":"2024-08-06T05:32:20Z","updated_at":"2026-11-03T02:22:10.045369Z"}],"ghsa":[{"id":"GHSA-xx3c-6h6w-w5rg","title":"JWT.php in F21 JWT before 2.0 allows remote attackers to bypass signature verification via...","description":"JWT.php in F21 JWT before 2.0 allows remote attackers to bypass signature verification via crafted tokens.","status":"published","published":"2022-05-17T03:33:26Z","modified":"2023-01-27T05:08:34Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:43:18.939561Z"}],"nvd":[{"id":"CVE-2015-2951","description":"JWT.php in F21 JWT before 2.0 allows remote attackers to bypass signature verification via crafted tokens.","status":"published","published":"2015-06-05T10:59:05.38Z","modified":"2026-06-17T00:25:01.713Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:04.906059Z"}]}}