CVE-2020-5802
Last modified
CVE-2020-5802 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 38.83% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rockwellautomation | Factorytalk Linx | <= 6.11 |
References
- https://www.tenable.com/security/research/tra-2020-71Third Party Advisory
- https://www.tenable.com/security/research/tra-2020-71Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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