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CVE-2021-27899

CVE information

Published

2 years ago

Last Modified

2 years ago

CVSSv2.0 Severity

Medium

CVSSv3.1 Severity

High

Impact Analysis

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..

CVSSv2.0 Score

Severity
Medium
Base Score
5.8/10
Exploit Score
8.6/10
Access Vector
Network
Access Complexity
Medium
Authentication Required
None
Impact Score
4.9/10
Confidentiality Impact
Partial
Availability Impact
None
Integrity Impact
Partial

CVSSv3.1 Score

Severity
High
Base Score
7.4/10
Exploit Score
2.2/10
Access Vector
Network
Access Complexity
High
Privileges Required
None
Impact Score
5.2/10
Confidentiality Impact
High
Availability Impact
None
Integrity Impact
High
Scope
Unchanged
User Interaction
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:lin
  Yes
7.9.0 7.9.3
cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:lin
  Yes
7.10.0 7.10.3
cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:lin
  Yes
7.11.0 7.11.1
cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:mac
  Yes
7.9.0 7.9.3
cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:mac
  Yes
7.10.0 7.10.3
cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:mac
  Yes
7.11.0 7.11.1