{"id":"CVE-2016-1296","aliases":["EUVD-2016-2395","GHSA-6jg2-9jcr-443r"],"status":"published","title":"The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000...","description":"The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000, and 9.5.0-235 allows remote attackers to bypass intended proxy restrictions via a malformed HTTP method, aka Bug ID CSCux00848.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02082,"percentile":0.81664,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-254"],"published":"2016-01-20T02:00:00Z","modified":"2026-06-17T00:41:40Z","products":[{"vendor":"cisco","product":"web_security_appliance"}],"references":[{"url":"http://www.securitytracker.com/id/1034763","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160119-wsa","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-1296"},{"url":"https://github.com/advisories/GHSA-6jg2-9jcr-443r"}],"sources":{"cve":[{"id":"CVE-2016-1296","description":"The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000, and 9.5.0-235 allows remote attackers to bypass intended proxy restrictions via a malformed HTTP method, aka Bug ID CSCux00848.","status":"published","published":"2016-01-20T02:00:00Z","modified":"2024-08-05T22:48:13.789Z","updated_at":"2026-11-02T14:33:35.841056Z"}],"euvd":[{"id":"EUVD-2016-2395","description":"The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000, and 9.5.0-235 allows remote attackers to bypass intended proxy restrictions via a malformed HTTP method, aka Bug ID CSCux00848.","status":"published","published":"2016-01-20T02:00:00Z","modified":"2024-08-05T22:48:13Z","updated_at":"2026-11-03T02:22:57.974183Z"}],"ghsa":[{"id":"GHSA-6jg2-9jcr-443r","title":"The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000...","description":"The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000, and 9.5.0-235 allows remote attackers to bypass intended proxy restrictions via a malformed HTTP method, aka Bug ID CSCux00848.","status":"published","published":"2022-05-17T03:23:51Z","modified":"2023-01-27T05:08:08Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T14:43:15.040364Z"}],"nvd":[{"id":"CVE-2016-1296","description":"The proxy engine on Cisco Web Security Appliance (WSA) devices with software 8.5.3-055, 9.1.0-000, and 9.5.0-235 allows remote attackers to bypass intended proxy restrictions via a malformed HTTP method, aka Bug ID CSCux00848.","status":"published","published":"2016-01-20T05:59:02.22Z","modified":"2026-06-17T00:41:40.077Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-254"],"updated_at":"2026-11-02T14:03:21.143462Z"}]}}