{"id":"CVE-2004-2480","aliases":["DEBIAN-CVE-2004-2480","EUVD-2004-2471","GHSA-3pq4-c488-v2m4"],"status":"published","title":"Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and access...","description":"Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and access arbitrary websites via \"@@\" sequences in a URL within Internet Explorer.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03028,"percentile":0.87567,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"published":"2004-12-31T05:00:00Z","modified":"2026-10-21T15:47:38Z","exploits":[{"source":"exploitdb","id":"EDB-24105","title":"National Science Foundation Squid Proxy 2.3 - Internet Access Control Bypass","type":"remote","platform":"linux","date":"2004-05-10","verified":true,"url":"https://www.exploit-db.com/exploits/24105"}],"fixes":[{"ecosystem":"Debian:12","package":"squid","fixed_in":["2.5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"squid","fixed_in":["2.5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"squid","fixed_in":["2.5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"squid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"squid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"squid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5"}]}]}],"products":[{"vendor":"national_science_foundation","product":"squid_web_proxy_cache"}],"references":[{"url":"http://www.securityfocus.com/bid/10315","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","evidence"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/16153","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2004-05/0070.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Exploit","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2004-2480"},{"url":"https://github.com/advisories/GHSA-3pq4-c488-v2m4"},{"url":"https://security-tracker.debian.org/tracker/CVE-2004-2480","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2004-2480","description":"Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and access arbitrary websites via \"@@\" sequences in a URL within Internet Explorer.","status":"published","published":"2005-08-21T04:00:00Z","modified":"2024-08-08T01:29:13.3Z","updated_at":"2026-11-02T14:34:53.357376Z"}],"euvd":[{"id":"EUVD-2004-2471","description":"Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and access arbitrary websites via \"@@\" sequences in a URL within Internet Explorer.","status":"published","published":"2005-08-21T04:00:00Z","modified":"2024-08-08T01:29:13Z","updated_at":"2026-11-03T01:15:10.453137Z"}],"ghsa":[{"id":"GHSA-3pq4-c488-v2m4","title":"Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and access...","description":"Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and access arbitrary websites via \"@@\" sequences in a URL within Internet Explorer.","status":"published","published":"2022-04-29T03:01:31Z","modified":"2023-01-30T05:04:02Z","updated_at":"2026-11-02T14:46:57.494982Z"}],"nvd":[{"id":"CVE-2004-2480","description":"Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and access arbitrary websites via \"@@\" sequences in a URL within Internet Explorer.","status":"published","published":"2004-12-31T05:00:00Z","modified":"2026-06-16T22:09:43.97Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:53.133049Z"}],"osv":[{"id":"CVE-2004-2480","description":"Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and access arbitrary websites via \"@@\" sequences in a URL within Internet Explorer.","status":"published","published":"2004-12-31T05:00:00Z","modified":"2026-04-10T03:36:45.997783Z","updated_at":"2026-11-02T15:43:56.315348Z"},{"id":"DEBIAN-CVE-2004-2480","description":"Squid Web Proxy Cache 2.3.STABLE5 allows remote attackers to bypass security controls and access arbitrary websites via \"@@\" sequences in a URL within Internet Explorer.","status":"published","published":"2004-12-31T05:00:00Z","modified":"2026-10-21T15:47:38.294686645Z","updated_at":"2026-11-02T15:45:22.55978Z"}]}}