{"id":"CVE-2011-0910","aliases":["EUVD-2011-0922","GHSA-rhp4-wj2m-wjjx"],"status":"published","title":"The cookie implementation in Vanilla Forums before 2.0.17.6 makes it easier for remote attackers...","description":"The cookie implementation in Vanilla Forums before 2.0.17.6 makes it easier for remote attackers to spoof signed requests, and consequently obtain access to arbitrary user accounts, via HMAC timing attacks.","severity":{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01047,"percentile":0.64446,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2011-02-08T20:00:00Z","modified":"2026-06-16T23:28:17Z","products":[{"vendor":"vanillaforums","product":"vanilla"}],"references":[{"url":"http://www.vanillaforums.org/discussion/comment/134729/#Comment_134729","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-0910"},{"url":"https://github.com/advisories/GHSA-rhp4-wj2m-wjjx"}],"sources":{"cve":[{"id":"CVE-2011-0910","description":"The cookie implementation in Vanilla Forums before 2.0.17.6 makes it easier for remote attackers to spoof signed requests, and consequently obtain access to arbitrary user accounts, via HMAC timing attacks.","status":"published","published":"2011-02-08T20:00:00Z","modified":"2024-09-16T20:42:07.541Z","updated_at":"2026-11-02T14:35:39.079595Z"}],"euvd":[{"id":"EUVD-2011-0922","description":"The cookie implementation in Vanilla Forums before 2.0.17.6 makes it easier for remote attackers to spoof signed requests, and consequently obtain access to arbitrary user accounts, via HMAC timing attacks.","status":"published","published":"2011-02-08T20:00:00Z","modified":"2024-09-16T20:42:07Z","updated_at":"2026-11-03T00:55:11.71058Z"}],"ghsa":[{"id":"GHSA-rhp4-wj2m-wjjx","title":"The cookie implementation in Vanilla Forums before 2.0.17.6 makes it easier for remote attackers...","description":"The cookie implementation in Vanilla Forums before 2.0.17.6 makes it easier for remote attackers to spoof signed requests, and consequently obtain access to arbitrary user accounts, via HMAC timing attacks.","status":"published","published":"2022-05-13T01:25:58Z","modified":"2023-02-01T05:07:41Z","updated_at":"2026-11-02T14:50:35.618049Z"}],"nvd":[{"id":"CVE-2011-0910","description":"The cookie implementation in Vanilla Forums before 2.0.17.6 makes it easier for remote attackers to spoof signed requests, and consequently obtain access to arbitrary user accounts, via HMAC timing attacks.","status":"published","published":"2011-02-08T21:00:01.447Z","modified":"2026-06-16T23:28:17.847Z","cvss":[{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:02:06.042049Z"}]}}