The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1…
Priority MEDIUM 47CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.
Summary
The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1 contains a vulnerability in the ITM application server's WriteWindowMouseWithChunksV2 API. The vulnerability allows an anonymous remote attacker to execute arbitrary code with local administrator privileges. The vulnerability is caused by improper deserialization.
Why it matters now
EPSS 0.02694 85th 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_server:*:*:*:*:*:*:*:* | before 7.9.1 | Vulnerable | Proofpoint |
- cpe:2.3:a:proofpoint:insider_threat_management_server:*:*:*:*:*:*:*:* Versions before 7.9.1 Vulnerable ·Proofpoint
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-10656
- 2026-10-03 Alias added: GHSA-r5pw-3hxj-jmpq
References
More Proofpoint Insider Threat Management Server vulnerabilities
- TI-2020-08565 The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1… CVSS 3.1CRITICAL 9.8
- TI-2020-08562 The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1… CVSS 3.1CRITICAL 9.8
- TI-2021-17766 Proofpoint Insider Threat Management Server contains a SQL injection vulnerability in the… CVSS 3.1CRITICAL 9.8
- TI-2020-08564 The Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.9.1… CVSS 3.1HIGH 7.2
- TI-2021-17767 Proofpoint Insider Threat Management Server contains an unsafe deserialization… CVSS 3.1HIGH 7.3
- TI-2023-18058 ITM Server Missing Authorization for Agent Config CVSS 3.1MEDIUM 6.5
Sources
- CVE-2020-10656 · CVE Program
- CVE-2020-10656 · NVD
- FIRST EPSS
- GHSA-r5pw-3hxj-jmpq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences