Insider Threat Management Agent Improper Certificate Validation Vulnerability, CVE-2021-27899
Advisory ID: PFPT-SA-2021-0004
The Proofpoint Insider Threat Management Agents (formerly ObserveIT Agent) for MacOS and Linux perform improper validation of the ITM Server's certificate, which enables a remote attacker to intercept and alter these communications using a man-in-the-middle attack. All versions before 7.11.1 are affected. Agents for Windows and Cloud are not affected.
This vulnerability is identified by CVE-2021-27899. Proofpoint has released patches to address this issue.
This vulnerability has been assigned a CVSS score of 7.4:
Proofpoint has released fixes in versions 7.9.3, 7.10.3, and 7.11.1.
The fixed software versions are now available through the customer support portal.
|April 6, 2021
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