CVE-2020-5807

An unauthenticated remote attacker can send data to RsvcHost.exe listening on TCP port 5241 to add entries in the FactoryTalk Diagnostics event log. The attacker can specify long fields in the log entry, which can cause an unhandled exception in wcscpy_s() if a local user opens FactoryTalk Diagnostics Viewer (FTDiagViewer.exe) to view the log entry. Observed in FactoryTalk Diagnostics 6.11. All versions of FactoryTalk Diagnostics are affected.

Affected

Rockwell FactoryTalk Diagnostics

CVSS v3.1 NVD

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

39.30% chance of exploitation in the next 30 days, 99th percentile

Published

2020-12-29

Updated

2024-08-04

Exploit collections (1)

• RockwellAutomation/FactoryTalk/rockwell_FTDiagViewer_dos.pytenable/poc

Security advisories

• https://www.tenable.com/security/research/tra-2020-71

References

• CVE Record
• NVD entry