Vulnerability · Published Apr 6, 2021 · Assigned by mitre
CVE-2021-27899
High 7.4
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Severity (CVSS NVD)7.4High
Exploit odds (30 days)0.6%top 49.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 products (as reported)
References
- https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0004 x_refsource_CONFIRM