CVE-2020-5802
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductRockwellautomation Factorytalk Linx
PublishedDec 29, 2020
First seenDec 29, 2020
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| rockwellautomation factorytalk_linx | v ≤ 6.11 | — |
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