{"id":"CVE-2020-5801","aliases":["EUVD-2020-26958","GHSA-4jvq-wc69-2rqj"],"status":"published","title":"An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that...","description":"An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.29659,"percentile":0.98218,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-755"],"published":"2020-12-29T15:15:32Z","modified":"2026-06-17T03:22:15Z","products":[{"vendor":"rockwellautomation","product":"factorytalk_linx"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2020-71","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5801"},{"url":"https://github.com/advisories/GHSA-4jvq-wc69-2rqj"}],"sources":{"cve":[{"id":"CVE-2020-5801","description":"An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.","status":"published","published":"2020-12-29T15:15:32Z","modified":"2024-08-04T08:39:26.067Z","updated_at":"2026-11-02T14:35:47.56691Z"}],"euvd":[{"id":"EUVD-2020-26958","description":"An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.","status":"published","published":"2020-12-29T15:15:32Z","modified":"2024-08-04T08:39:26Z","updated_at":"2026-11-03T03:08:05.176275Z"}],"ghsa":[{"id":"GHSA-4jvq-wc69-2rqj","title":"An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that...","description":"An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.","status":"published","published":"2022-05-24T17:37:29Z","modified":"2023-01-29T05:05:12Z","cwes":["CWE-755"],"updated_at":"2026-11-02T14:45:43.934947Z"}],"nvd":[{"id":"CVE-2020-5801","description":"An attacker can craft and send an OpenNamespace message to port 4241 with valid session-id that triggers an unhandled exception in CFTLDManager::HandleRequest function in RnaDaSvr.dll, resulting in process termination. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.","status":"published","published":"2020-12-29T16:15:14.73Z","modified":"2026-06-17T03:22:15.71Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:06:28.340168Z"}]}}