CVE-2021-27899

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.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory proofpoint.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0004 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-27899?
CVE-2021-27899 has been scored as a high severity vulnerability.
How to fix CVE-2021-27899?
To fix CVE-2021-27899, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27899 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27899 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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