CVE-2022-35507
moderate-risk
Published 2022-12-04
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, causing a client-side DoS. This affects Chromium-based browsers because they allow injection of response headers with %0d. This is fixed in pve-http-server 4.1-3.
Do I need to act?
!
14.3% chance of exploitation in next 30 days
EPSS score — higher than 86% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.1/10
High
NETWORK
/ LOW complexity
Affected Products (3)
Affected Vendors
References (4)
46
/ 100
moderate-risk
Severity
25/34 · High
Exploitability
12/34 · Low
Exposure
9/34 · Low