CVE-2021-22159

highpriority · track · 31OT risk · elevatedEPSS 0.003 · 27 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.34% (27th) EPSS

CVSS 7.2 · high

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Insider Threat Management Windows Agent Local Privilege Escalation Vulnerability The Proofpoint Insider Threat Management (formerly ObserveIT) Agent for Windows before 7.4.3, 7.5.4, 7.6.5, 7.7.5, 7.8.4, 7.9.3, 7.10.2, and 7.11.0.25 as well as versions 7.3 and earlier is missing authentication for a critical function, which allows a local authenticated Windows user to run arbitrary commands with the privileges of the Windows SYSTEM user. Agents for MacOS, Linux, and ITM Cloud are not affected.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimary

affected products (9)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
proofpoint insider threat management< 7.4.3nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*
proofpoint insider threat management7.10.0 → 7.10.2nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*
proofpoint insider threat management7.11.0.0 → 7.11.0.25nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*
proofpoint insider threat management7.5.0 → 7.5.4nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*
proofpoint insider threat management7.6.0 → 7.6.5nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*
proofpoint insider threat management7.7.0 → 7.7.5nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*
proofpoint insider threat management7.8.0 → 7.8.4nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*
proofpoint insider threat management7.9.0 → 7.9.3nvdUScpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-01-26modified 2026-06-17

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+4485 more

references (7)

External citations — patches, advisories, analysis.

scry

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