CVEvulnerability

CVE-2021-27899

7.4 HIGH Published 2021-04-06 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-04-06
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0 ([email protected])
5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:N
Weaknesses
CWE-295

Description

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.

Affected configurations

• 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)

Related

Weakness · CWE (1)

  • CWE-295 Improper Certificate Validation weakness

References