Improper Certificate Validation in Proofpoint Insider Threat Management Agents for MacOS and Linux
CVE-2021-27899

7.4HIGH

Key Information:

Vendor

Proofpoint

Status
Insider Threat Management
Vendor
CVE Published:
6 April 2021

What is CVE-2021-27899?

The Proofpoint Insider Threat Management Agents for MacOS and Linux contain a vulnerability due to improper validation of the ITM Server's certificate. This flaw potentially allows a remote attacker to perform a man-in-the-middle attack, enabling them to intercept and manipulate communications between the agents and the server. It is crucial for users on affected versions to upgrade to version 7.11.1 or later to mitigate this risk. Agents for Windows and Cloud are unaffected.

References

https://www.proofpoint.com/us/security/security-advisorie...
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CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.