CVE-2021-27899

Published on: 04/06/2021 12:00:00 AM UTC

Last Modified on: 04/12/2021 04:26:00 PM UTC

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Certain versions of Insider Threat Management from Proofpoint contain the following vulnerability:

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.

  • CVE-2021-27899 has been assigned by [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.4 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK HIGH NONE NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH NONE

CVSS2 Score: 5.8 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL NONE

CVE References

Description Tags Link
Security Advisories | Proofpoint US www.proofpoint.com
text/html
URL Logo CONFIRM www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0004

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationProofpointInsider Threat ManagementAllAllAllAll
ApplicationProofpointInsider Threat ManagementAllAllAllAll
  • cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:linux:*:*:
  • cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:macos:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-27899 : The Proofpoint Insider Threat Management Agents formerly ObserveIT Agent for MacOS and #Linux pe… twitter.com/i/web/status/1… 2021-04-06 21:11:07
Reddit Logo Icon /r/netcve CVE-2021-27899 2021-04-06 21:29:05