{"id":"CVE-2025-13926","state":"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.","publishedAt":"2026-04-09T19:47:17.841Z","updatedAt":"2026-04-10T14:11:21.320Z","severity":{"score":9.3,"label":"Critical","version":"4.0","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","source":"icscert"},"assigner":"icscert","products":["Contemporary Controls BASControl20"],"affected":[{"vendor":"Contemporary Controls","product":"BASControl20","defaultStatus":"unaffected","versions":[{"version":"3.1","status":"affected"}]}],"references":["https://www.ccontrols.com/support/contacttech.htm","https://www.cisa.gov/news-events/ics-advisories/icsa-26-099-01","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-099-01.json"],"weaknesses":["CWE-807"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/13xxx/CVE-2025-13926.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-13926","state":"PUBLISHED","datePublished":"2026-04-09T19:47:17.841Z","dateUpdated":"2026-04-10T14:11:21.320Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2025-12-02T21:00:14.794Z"},"containers":{"cna":{"title":"Contemporary Controls BASC 20T Reliance on Untrusted Inputs in a Security Decision","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Contemporary Controls","product":"BASControl20","defaultStatus":"unaffected","versions":[{"version":"3.1","status":"affected"}]}],"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"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":9.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"CRITICAL","baseScore":9.3,"vectorString":"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-807","lang":"en","description":"CWE-807","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-04-09T19:47:17.841Z"},"tags":["unsupported-when-assigned"],"workarounds":[{"lang":"en","value":"According to Contemporary Controls, the BASC-20T is an obsolete product. It is recommended that users of the affected product  contact Contemporary Controls https://www.ccontrols.com/support/contacttech.htm  for additional information.","supportingMedia":[{"type":"text/html","base64":false,"value":"According to Contemporary Controls, the BASC-20T is an obsolete product. It is recommended that users of the affected product <a href=\"https://www.ccontrols.com/support/contacttech.htm\">contact Contemporary Controls</a> for additional information."}]}],"credits":[{"lang":"en","value":"Joseph Fields of Naval Information Warfare Center Pacific reported this vulnerability to CISA.","type":"finder"}],"source":{"advisory":"ICSA-26-099-01","discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-10T14:11:03.255285Z","id":"CVE-2025-13926","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-807","type":"CWE","lang":"en","description":"CWE-807 Reliance on Untrusted Inputs in a Security Decision"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-10T14:11:21.320Z"}}]}}}