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Vulnerability Details CVE-2020-5802

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 38.6%

CVSS Severity

CVSS v3 Score 7.5

CVSS v2 Score 5.0

References

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

Products affected by CVE-2020-5802

Rockwellautomation » Factorytalk Linx » Version: 6.00

cpe:2.3:a:rockwellautomation:factorytalk_linx:6.00
Rockwellautomation » Factorytalk Linx » Version: 6.10

cpe:2.3:a:rockwellautomation:factorytalk_linx:6.10
Rockwellautomation » Factorytalk Linx » Version: 6.11

cpe:2.3:a:rockwellautomation:factorytalk_linx:6.11

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Vulnerability Details CVE-2020-5802

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