CVE-2023-2820: Proofpoint Threat Response Auto Pull

Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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)

Published 2023-06-14. Last modified 2026-06-17.