{"id":"CVE-2001-1030","aliases":["EUVD-2001-1011","GHSA-g8hh-whpr-gfp2"],"status":"published","title":"Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when...","description":"Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and http_accel_with_proxy off settings are used, which allows attackers to bypass the ACLs and conduct unauthorized activities such as port scanning.","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":0.01962,"percentile":0.80472,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2001-07-18T04:00:00Z","modified":"2026-06-16T21:55:26Z","products":[{"vendor":"caldera","product":"openlinux_server"},{"vendor":"immunix","product":"immunix"},{"vendor":"mandrakesoft","product":"mandrake_linux"},{"vendor":"mandrakesoft","product":"mandrake_linux_corporate_server"},{"vendor":"mandrakesoft","product":"mandrake_single_network_firewall"},{"vendor":"redhat","product":"linux"},{"vendor":"squid","product":"squid_web_proxy"},{"vendor":"trustix","product":"secure_linux"}],"references":[{"url":"http://www.securityfocus.com/archive/1/197727","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/6862","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.redhat.com/support/errata/RHSA-2001-097.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch","Vendor Advisory"]},{"url":"http://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-031-01","tags":["vendor-advisory","x_refsource_IMMUNIX","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-066.php3","tags":["vendor-advisory","x_refsource_MANDRAKE","x_transferred"]},{"url":"http://www.calderasystems.com/support/security/advisories/CSSA-2001-029.0.txt","tags":["vendor-advisory","x_refsource_CALDERA","x_transferred"]},{"url":"http://archives.neohapsis.com/archives/bugtraq/2001-07/0362.html","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2001-1030"},{"url":"https://github.com/advisories/GHSA-g8hh-whpr-gfp2"}],"sources":{"cve":[{"id":"CVE-2001-1030","description":"Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and http_accel_with_proxy off settings are used, which allows attackers to bypass the ACLs and conduct unauthorized activities such as port scanning.","status":"published","published":"2002-06-25T04:00:00Z","modified":"2024-08-08T04:44:06.644Z","updated_at":"2026-11-02T14:34:42.680977Z"}],"euvd":[{"id":"EUVD-2001-1011","description":"Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and http_accel_with_proxy off settings are used, which allows attackers to bypass the ACLs and conduct unauthorized activities such as port scanning.","status":"published","published":"2002-06-25T04:00:00Z","modified":"2024-08-08T04:44:06Z","updated_at":"2026-11-03T01:14:49.089023Z"}],"ghsa":[{"id":"GHSA-g8hh-whpr-gfp2","title":"Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when...","description":"Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and http_accel_with_proxy off settings are used, which allows attackers to bypass the ACLs and conduct unauthorized activities such as port scanning.","status":"published","published":"2022-04-30T18:17:12Z","modified":"2023-01-30T05:05:27Z","updated_at":"2026-11-02T14:47:16.830144Z"}],"nvd":[{"id":"CVE-2001-1030","description":"Squid before 2.3STABLE5 in HTTP accelerator mode does not enable access control lists (ACLs) when the httpd_accel_host and http_accel_with_proxy off settings are used, which allows attackers to bypass the ACLs and conduct unauthorized activities such as port scanning.","status":"published","published":"2001-07-18T04:00:00Z","modified":"2026-06-16T21:55:26.713Z","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":"2026-11-02T14:00:40.041412Z"}]}}