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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.4 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 29%
VendorProductVersion
proofpointinsider_threat_management
7.9.0 ≤
𝑥
< 7.9.3
proofpointinsider_threat_management
7.10.0 ≤
𝑥
< 7.10.3
proofpointinsider_threat_management
7.11.0 ≤
𝑥
< 7.11.1
proofpointinsider_threat_management
7.9.0 ≤
𝑥
< 7.9.3
proofpointinsider_threat_management
7.10.0 ≤
𝑥
< 7.10.3
proofpointinsider_threat_management
7.11.0 ≤
𝑥
< 7.11.1
𝑥
= Vulnerable software versions