7.4
CWE
295
Advisory Published
Updated

CVE-2021-27899

First published: Tue Apr 06 2021(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Proofpoint Insider Threat Management>=7.9.0<7.9.3
Proofpoint Insider Threat Management>=7.10.0<7.10.3
Proofpoint Insider Threat Management>=7.11.0<7.11.1
Proofpoint Insider Threat Management>=7.9.0<7.9.3
Proofpoint Insider Threat Management>=7.10.0<7.10.3
Proofpoint Insider Threat Management>=7.11.0<7.11.1

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Frequently Asked Questions

  • What is CVE-2021-27899?

    CVE-2021-27899 refers to a vulnerability in the Proofpoint Insider Threat Management Agents (formerly ObserveIT Agent) for MacOS and Linux.

  • What is the severity of CVE-2021-27899?

    CVE-2021-27899 has a severity rating of 7.4, which is considered high.

  • Which software versions are affected by CVE-2021-27899?

    All versions of Proofpoint Insider Threat Management Agents for MacOS and Linux before 7.11.1 are affected.

  • What is the CWE number for CVE-2021-27899?

    CVE-2021-27899 is associated with CWE-295.

  • How can I fix the CVE-2021-27899 vulnerability?

    To fix the CVE-2021-27899 vulnerability, users should upgrade to version 7.11.1 or later of Proofpoint Insider Threat Management Agents for MacOS and Linux.

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