CVE-2025-53634 is a Denial of Service (DoS) vulnerability affecting Chall-Manager, specifically the ctfer_io chall_manager product. The vulnerability stems from the HTTP Gateway's lack of a timeout setting when processing headers, allowing for a slow loris attack. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network without authentication or authorization, leading to a complete denial of service. Despite its high severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.1.4CPE matchmatch criteria | cpe:2.3:a:ctfer-io:chall-manager:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.