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…

PriorityP342high7.4CVSS 3.1

AVNACHPRNUINSUCHIHAN

EPSS

0.64%

46.1th percentile

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

3 ranges

Vendor	Product	Version range	Fixed in
proofpoint	insider_threat_management	>= 7.10.0 < 7.10.3	7.10.3
proofpoint	insider_threat_management	>= 7.11.0 < 7.11.1	7.11.1
proofpoint	insider_threat_management	>= 7.9.0 < 7.9.3	7.9.3

CVSS provenance

nvdv3.17.4HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

nvdv2.05.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N

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