The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) is vulnerable…
Priority LOW 33CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) is vulnerable to XML external entity (XXE) injection in the Web Console. The vulnerability requires admin user privileges and knowledge of the XML file's encryption key to successfully exploit. All versions before 7.11 are affected.
Why it matters now
EPSS 0.00614 49th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:* | 7.9.0 to before 7.9.3; 7.10.0 to before 7.10.3; 7.11.0 to before 7.11.1 | Vulnerable | Proofpoint |
- cpe:2.3:a:proofpoint:insider_threat_management:*:*:*:*:*:*:*:* Versions 7.9.0 to before 7.9.3; 7.10.0 to before 7.10.3; 7.11.0 to before 7.11.1 Vulnerable ·Proofpoint
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22158
- 2026-10-03 Alias added: GHSA-x9v6-5m2f-q2hr
References
More Proofpoint Insider Threat Management vulnerabilities
- TI-2020-07138 rcdsvc in the Proofpoint Insider Threat Management Windows Agent (formerly ObserveIT… CVSS 3.1HIGH 8.8
- TI-2021-09235 The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) is missing an… CVSS 3.1HIGH 8.1
- TI-2023-04418 ITM MacOS Agent Improper Certificate Validation CVSS 3.1HIGH 7.5
- TI-2022-08988 Proofpoint Insider Threat Management Agent for Windows relies on an inherently dangerous… CVSS 3.1HIGH 7.8
- TI-2021-05149 Insider Threat Management Windows Agent Local Privilege Escalation Vulnerability The… CVSS 3.1HIGH 7.8
- TI-2021-09234 The Proofpoint Insider Threat Management Agents (formerly ObserveIT Agent) for MacOS and… CVSS 3.1HIGH 7.4
Sources
- CVE-2021-22158 · CVE Program
- CVE-2021-22158 · NVD
- FIRST EPSS
- GHSA-x9v6-5m2f-q2hr · GitHub Advisory Database · CC BY 4.0
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