What’s Vulnerable › Vulnerabilities

CVE-2023-2820

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-14 · updated 2026-06-17
• Weakness: CWE-200

Description

An information disclosure vulnerability in the faye endpoint in Proofpoint Threat Response / Threat Response Auto-Pull (PTR/TRAP) could be used by an attacker on an adjacent network to obtain credentials to integrated services via a man-in-the-middle position or cryptanalysis of the session traffic. An attacker could use these credentials to impersonate PTR/TRAP to these services. All versions prior to 5.10.0 are affected.

Affected products

• Proofpoint Threat Response Auto Pull: before 5.10.0 — fixed in 5.10.0

How to fix

Upgrade to a fixed version: Proofpoint Threat Response Auto Pull 5.10.0. Check the vendor advisory for mitigations.

References

• https://www.proofpoint.com/security/security-advisories/pfpt-sa-2023-0003
• https://www.proofpoint.com/security/security-advisories/pfpt-sa-2023-0003

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