{"id":"CVE-2011-5021","aliases":["EUVD-2011-4926","GHSA-7wvf-mh83-33ww"],"status":"published","title":"PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service (ReDoS)...","description":"PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service (ReDoS) filters, which allows remote attackers to bypass rulesets and add PHP sequences to a file via unspecified vectors.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01346,"percentile":0.71614,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2011-12-29T02:00:00Z","modified":"2026-06-16T23:35:47Z","products":[{"vendor":"phpids","product":"phpids"}],"references":[{"url":"https://sitewat.ch/Advisory/View/7","tags":["x_refsource_MISC","x_transferred","URL Repurposed"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-5021"},{"url":"https://github.com/advisories/GHSA-7wvf-mh83-33ww"}],"sources":{"cve":[{"id":"CVE-2011-5021","description":"PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service (ReDoS) filters, which allows remote attackers to bypass rulesets and add PHP sequences to a file via unspecified vectors.","status":"published","published":"2011-12-29T02:00:00Z","modified":"2024-09-16T22:35:16.529Z","updated_at":"2026-11-02T14:35:36.252742Z"}],"euvd":[{"id":"EUVD-2011-4926","description":"PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service (ReDoS) filters, which allows remote attackers to bypass rulesets and add PHP sequences to a file via unspecified vectors.","status":"published","published":"2011-12-29T02:00:00Z","modified":"2024-09-16T22:35:16Z","updated_at":"2026-11-03T00:55:02.001238Z"}],"ghsa":[{"id":"GHSA-7wvf-mh83-33ww","title":"PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service (ReDoS)...","description":"PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service (ReDoS) filters, which allows remote attackers to bypass rulesets and add PHP sequences to a file via unspecified vectors.","status":"published","published":"2022-05-17T05:36:02Z","modified":"2023-01-28T05:04:14Z","cwes":["CWE-94"],"updated_at":"2026-11-02T14:44:08.177015Z"}],"nvd":[{"id":"CVE-2011-5021","description":"PHPIDS before 0.7 does not properly implement Regular Expression Denial of Service (ReDoS) filters, which allows remote attackers to bypass rulesets and add PHP sequences to a file via unspecified vectors.","status":"published","published":"2011-12-29T04:15:05.14Z","modified":"2026-06-16T23:35:47.337Z","cvss":[{"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-94"],"updated_at":"2026-11-02T14:02:11.800512Z"}]}}