Vulnerability · Published Dec 29, 2020 · Assigned by tenable

CVE-2020-5807

High 7.5

In plain English

A high-severity security flaw in Rockwell FactoryTalk Diagnostics. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 39.3% (higher than 99% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)39.3%top 1.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
n/a	Rockwell FactoryTalk Diagnostics	All versions of FactoryTalk Diagnostics

References

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