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CVE-2020-5801

Published: Dec 29, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-755
NVD MITRE
7.5CVSSHIGH
EPSS Score
25.2%
Top 2.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-755

Affected Products

factorytalk linxrockwellautomationICS / OT / IoT
Rockwell FactoryTalk Linxn/a
FactoryTalk LinxRockwell Automation Inc.ICS / OT / IoT
rockwellautomationcommercialUSICS / OT / IoTaka rockwell automation
rockwell automation inc.commercialUSICS / OT / IoTaka rockwell automation arena, thinmanager, guardlogix 5580

Exploitability

Official Patch Available

References

https://www.tenable.com/security/research/tra-2020-71
tenable.com
https://www.us-cert.gov/ics/advisories/icsa-21-028-01
us-cert.gov
https://nvd.nist.gov/vuln/detail/CVE-2020-5801
nvd.nist.gov
and 11 more references View all →

Timeline

Published
Dec 29, 2020
Last Updated
Nov 21, 2024

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