Rockwell FactoryTalk Activation Manager authentication bypass
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Cryptographic implementation flaw in FactoryTalk Activation Manager 5.00 allows remote traffic decryption and session hijacking.
Rockwell Automation's FactoryTalk Activation Manager version 5.00 contains an incorrect implementation of an authentication algorithm (CWE-303) that enables attackers to decrypt network traffic without authentication. The vulnerability, tracked as CVE-2025-7970, requires only network access and low attack complexity to exploit. Successful exploitation could result in confidentiality breach, session hijacking, or full communication compromise of Rockwell automation systems. The tool is widely deployed across critical manufacturing infrastructure globally. CISA reports no known active exploitation at the time of advisory publication. Rockwell Automation has released a patched version (5.02 or later) and recommends immediate upgrade. Organizations unable to patch should implement network segmentation, isolate control systems from the internet and business networks, and use VPNs for required remote access.
Mentioned in this report
Source reporting: https://www.cisa.gov/news-events/ics-advisories/icsa-25-252-05
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