CVE-2023-2820
CVE-2023-2820 is a medium-severity vulnerability in Proofpoint Threat Response Auto Pull with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-668.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 0% (16th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-668
- Affected product: Proofpoint Threat Response Auto Pull
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-2820?
- 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.
- How severe is CVE-2023-2820?
- CVE-2023-2820 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2023-2820 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-2820?
- CVE-2023-2820 affects Proofpoint Threat Response Auto Pull. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-2820?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-2820 published?
- CVE-2023-2820 was published on 2023-06-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:proofpoint:threat_response_auto_pull:*:*:*:*:*:*:*:*
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