PT-2021-17653 · Proofpoint · Proofpoint Insider Threat Management Agents

Published 2021-04-06 · Updated 2021-04-12 · CVE-2021-27899

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Proofpoint Insider Threat Management Agents versions prior to 7.11.1

Description: The issue allows a remote attacker to intercept and alter communications between the Proofpoint Insider Threat Management Agents and the ITM Server using a man-in-the-middle attack, due to improper validation of the ITM Server's certificate.

Recommendations: For versions prior to 7.11.1, update to version 7.11.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the ITM Server to minimize the risk of exploitation.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2021-27899

Affected Products

Proofpoint Insider Threat Management Agents

References · 3

• https://proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0004 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-27899 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27899 · Security Note