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.

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 FactoryT…

EPSS: 0.252 (97.7th percentile) — read the EPSS interpretation.

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.

Affected products

Rockwellautomation Factorytalk_linx
N/a Rockwell Factorytalk Linx — versions All versions of FactoryTalk Linx

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

vulnreport@tenable.com (x_refsource_CONFIRM, 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.