CVE-2021-22159
Last modified
CVE-2021-22159 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Proofpoint | Insider Threat Management | < 7.4.3 |
| Proofpoint | Insider Threat Management | >= 7.5.0, < 7.5.4 |
| Proofpoint | Insider Threat Management | >= 7.6.0, < 7.6.5 |
| Proofpoint | Insider Threat Management | >= 7.7.0, < 7.7.5 |
| Proofpoint | Insider Threat Management | >= 7.8.0, < 7.8.4 |
| Proofpoint | Insider Threat Management | >= 7.9.0, < 7.9.3 |
| Proofpoint | Insider Threat Management | >= 7.10.0, < 7.10.2 |
| Proofpoint | Insider Threat Management | >= 7.11.0.0, < 7.11.0.25 |
References
- https://www.proofpoint.com/us/security/security-advisoriesVendor Advisory
- https://www.proofpoint.com/us/security/security-advisoriesVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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