CVE-2020-5806

5.5 mediumEPSS 4.8%

Medium (5.5) in rockwellautomation factorytalk linx. EPSS 4.8% chance of exploitation in the next 30 days.

An attacker-controlled memory allocation size can be passed to the C++ new operator in the CServerManager::HandleBrowseLoadIconStreamRequest in messaging.dll. This can be done by sending a specially crafted message to 127.0.0.1:7153. Observed in FactoryTalk Linx 6.11. All versions of FactoryTalk Linx are affected.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 4.8% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)
CWE: CWE-770
Published: 2020-12-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

rockwellautomation:factorytalk_linx

References

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

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