Vulnerability in Rockwellautomation Factorytalk Linx
CVE-2020-5801
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.252 (97.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.252 · newest: 0.252 · change: 0.000
Affected products
- Rockwellautomation Factorytalk Linx
- Rockwell Factorytalk Linx — versions All versions of FactoryTalk Linx
Weakness classification (CWE)
References
- www.tenable.com/security/research/tra-2020-71 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-5801?
- CVE-2020-5801 is a high-severity vulnerability in Rockwellautomation Factorytalk Linx, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.5/10. Published 2020-12-29.
- How severe is CVE-2020-5801?
- High severity. CVSS v3 base score is 7.5 out of 10.