What is CVE-2022-35507?

CVE-2022-35507 is a high-severity vulnerability in Proxmox Proxmox_mail_gateway, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.1/10. Published 2022-12-04.

How severe is CVE-2022-35507?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2022-35507 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Proxmox Proxmox_mail_gateway

CVE-2022-35507

A response-header CRLF injection vulnerability in the Proxmox Virtual Environment (PVE) and Proxmox Mail Gateway (PMG) web interface allows a remote attacker to set cookies for a victim's browser that are longer than the server expects, ca…

EPSS: 0.014 (68.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H.

Affected products

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

cve@mitre.org
cve@mitre.org (Technical Description, Exploit, Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-35507?: CVE-2022-35507 is a high-severity vulnerability in Proxmox Proxmox_mail_gateway, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.1/10. Published 2022-12-04.
How severe is CVE-2022-35507?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2022-35507 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.