CVEvulnerability
CVE-2020-5801
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-12-29
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-755
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.
Affected configurations
• rockwellautomation factorytalk linx (<= 6.11)
Related
Weakness · CWE (1)
- CWE-755 Improper Handling of Exceptional Conditions weakness
References
- https://www.tenable.com/security/research/tra-2020-71 Third Party Advisory
- https://www.tenable.com/security/research/tra-2020-71 Third Party Advisory