What’s Vulnerable › Vulnerabilities

CVE-2021-22157

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-06 · updated 2026-06-17
• Weakness: CWE-79

Description

Proofpoint Insider Threat Management Server (formerly ObserveIT Server) before 7.11.1 allows stored XSS.

Affected products

• Proofpoint Insider Threat Management: from 7.9.0 before 7.9.3; from 7.10.0 before 7.10.3; from 7.11.0 before 7.11.1 — fixed in 7.10.3, 7.11.1, 7.9.3

How to fix

Upgrade to a fixed version: Proofpoint Insider Threat Management 7.10.3, 7.11.1, 7.9.3. Check the vendor advisory for mitigations.

References

• https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0002
• https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0002

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