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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…
High7.5EPSS 29.7%
- Published
- Updated
- Reserved
- Assigned by
- tenable
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 29.7% · top 1.8% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Unauthenticated Remote DoS
- CWE-755 (opens in a new tab)All about CWE-755 and its CVEs
Affected products
Rockwell FactoryTalk Linx
- affected All versions of FactoryTalk Linx
References (1)
- https://www.tenable.com/security/research/tra-2020-71 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-5801)Record last updated .