CVE-2020-5802

Description

An attacker-controlled memory allocation size can be passed to the C++ new operator in RnaDaSvr.dll by sending a specially crafted ConfigureItems message to TCP port 4241. This will cause an unhandled exception, resulting in termination of RSLinxNG.exe. Observed in FactoryTalk 6.11. All versions of FactoryTalk Linx are affected.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Third-Party Advisory tenable.com
Affected: n/a Rockwell FactoryTalk Linx
Published at:
Updated at:

References

Link Tags
https://www.tenable.com/security/research/tra-2020-71 third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-5802?
CVE-2020-5802 has been scored as a high severity vulnerability.
How to fix CVE-2020-5802?
To fix CVE-2020-5802, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-5802 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-5802 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-5802?
CVE-2020-5802 affects n/a Rockwell FactoryTalk Linx.
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