{"id":"CVE-1999-1273","aliases":["EUVD-1999-1254","GHSA-3q7h-hq7j-vcqg"],"status":"published","title":"Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding...","description":"Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.","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":"2026-11-09","score":0.01295,"percentile":0.70537,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1998-02-20T05:00:00Z","modified":"2026-06-16T21:50:05Z","products":[{"vendor":"national_science_foundation","product":"squid_web_proxy"}],"references":[{"url":"http://www.securityfocus.com/archive/1/8551","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/1627","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-1273"},{"url":"https://github.com/advisories/GHSA-3q7h-hq7j-vcqg"}],"sources":{"cve":[{"id":"CVE-1999-1273","description":"Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:11:01.646Z","updated_at":"2026-11-02T14:33:53.295018Z"}],"euvd":[{"id":"EUVD-1999-1254","description":"Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.","status":"published","published":"2001-09-12T04:00:00Z","modified":"2024-08-01T17:11:01Z","updated_at":"2026-11-03T03:50:43.346493Z"}],"ghsa":[{"id":"GHSA-3q7h-hq7j-vcqg","title":"Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding...","description":"Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.","status":"published","published":"2022-04-30T18:12:08Z","modified":"2023-01-30T05:04:18Z","updated_at":"2026-11-02T14:47:01.271351Z"}],"nvd":[{"id":"CVE-1999-1273","description":"Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.","status":"published","published":"1998-02-20T05:00:00Z","modified":"2026-06-16T21:50:05.197Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:19.254283Z"}]}}