What’s Vulnerable › Vulnerabilities

CVE-2021-40843

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-13 · updated 2026-06-17
• Weakness: CWE-502

Description

Proofpoint Insider Threat Management Server contains an unsafe deserialization vulnerability in the Web Console. An attacker with write access to the local database could cause arbitrary code to execute with SYSTEM privileges on the underlying server when a Web Console user triggers retrieval of that data. When chained with a SQL injection vulnerability, the vulnerability could be exploited remotely if Web Console users click a series of maliciously crafted URLs. All versions prior to 7.11.2 are affected.

Affected products

• Proofpoint Insider Threat Management: before 7.11.2 — fixed in 7.11.2

How to fix

Upgrade to a fixed version: Proofpoint Insider Threat Management 7.11.2. Check the vendor advisory for mitigations.

References

• https://www.proofpoint.com/us/security/security-advisories
• https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0009
• https://www.proofpoint.com/us/security/security-advisories
• https://www.proofpoint.com/us/security/security-advisories/pfpt-sa-2021-0009

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