7.5

CVE-2020-5801: rockwellautomation factorytalk_linx

CVSS: 7.5v3.1HighModified
Published 29-12-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-5801 is a high (CVSS 7.5) vulnerability in rockwellautomation factorytalk_linx. EPSS estimates a 29.66% chance of exploitation in the next 30 days, higher than 98.1% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
29.66%
0%100%
High · +4.44 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-12-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

29.66%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

+4.44 pp

From 25.22% on 20-09-2026

20-09-202620-10-2026
EPSS score
29.66%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Rockwellautomation1 product

1 vendor · 1 product

References

1 links