{"id":"CVE-2025-13926","aliases":["EUVD-2025-209395","GHSA-5wpm-jgqp-3v9m"],"status":"published","title":"Contemporary Controls BASC 20T Reliance on Untrusted Inputs in a Security Decision","description":"An attacker could use data obtained by sniffing the network traffic to \nforge packets in order to make arbitrary requests to Contemporary \nControls BASC 20T.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00451,"percentile":0.3964,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-807"],"published":"2026-04-09T19:47:17Z","modified":"2026-10-07T09:10:00Z","products":[{"vendor":"contemporary controls","product":"bascontrol20"}],"references":[{"url":"https://www.ccontrols.com/support/contacttech.htm"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-099-01"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-099-01.json"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13926"},{"url":"https://github.com/advisories/GHSA-5wpm-jgqp-3v9m"}],"sources":{"cve":[{"id":"CVE-2025-13926","title":"Contemporary Controls BASC 20T Reliance on Untrusted Inputs in a Security Decision","description":"An attacker could use data obtained by sniffing the network traffic to \nforge packets in order to make arbitrary requests to Contemporary \nControls BASC 20T.","status":"published","published":"2026-04-09T19:47:17.841Z","modified":"2026-04-10T14:11:21.32Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-807","CWE-807"],"updated_at":"2026-11-02T14:32:43.10004Z"}],"euvd":[{"id":"EUVD-2025-209395","description":"An attacker could use data obtained by sniffing the network traffic to \nforge packets in order to make arbitrary requests to Contemporary \nControls BASC 20T.","status":"published","published":"2026-04-09T19:47:17Z","modified":"2026-04-10T14:11:21Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T19:24:29.850635Z"}],"ghsa":[{"id":"GHSA-5wpm-jgqp-3v9m","title":"An attacker could use data obtained by sniffing the network traffic to \nforge packets in order to...","description":"An attacker could use data obtained by sniffing the network traffic to \nforge packets in order to make arbitrary requests to Contemporary \nControls BASC 20T.","status":"published","published":"2026-04-09T21:31:29Z","modified":"2026-04-09T21:31:37Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-807"],"updated_at":"2026-11-02T15:07:24.354029Z"}],"nvd":[{"id":"CVE-2025-13926","description":"An attacker could use data obtained by sniffing the network traffic to \nforge packets in order to make arbitrary requests to Contemporary \nControls BASC 20T.","status":"published","published":"2026-04-09T20:16:23.807Z","modified":"2026-10-07T09:10:00.16Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-807"],"updated_at":"2026-11-02T14:12:02.090779Z"}]}}