An information disclosure vulnerability in the faye endpoint in Proofpoint Threat Response / Threat Response Auto-Pull (PTR/TRAP) could be…

published 2023-06-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34271

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

Proofpoint Threat Response Auto Pull 5.10.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 22 mo ago (2024-12-27)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
NVD	3.1	6.8	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Proofpoint Threat Response Auto Pull

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-668 Exposure of Resource to Wrong Sphere

References

proofpoint.com /security/security-advisories/pfpt-sa-2023-0003
vendor-advisory

Sources

CVE List CVE-2023-2820
NVD CVE-2023-2820

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Summary