Vulnerability in Proofpoint Insider Threat Management
CVE-2021-27899
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.
Vulnerability class: Improper Certificate Validation
EPSS: 0.006 (47.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Proofpoint Insider_threat_management
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-27899?
- CVE-2021-27899 is a high-severity vulnerability in Proofpoint Insider Threat Management, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2021-04-06.
- How severe is CVE-2021-27899?
- High severity. CVSS v3 base score is 7.4 out of 10.