PT-2025-29155 · Unknown · Callmanager

Pandatix · Published 2025-07-10 · Updated 2025-08-14 · CVE-2025-53634

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions: Chall-Manager versions prior to 0.1.4

Description: Chall-Manager, a platform-agnostic system for starting Challenges on Demand, is susceptible to a Denial of Service (DoS) attack via a slow loris attack against its HTTP Gateway. The gateway lacks a timeout setting, allowing an attacker to exhaust system resources. Exploitation does not require authentication or authorization. It is recommended to deploy Chall-Manager deep within the infrastructure to limit external access.

Recommendations: Update to version 0.1.4 or later.

Exploit

Fix

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

BDU:2026-00128

CVE-2025-53634

GHSA-GGMV-J932-Q89Q

GO-2025-3809

OPENSUSE-SU-2025:15405-1

Affected Products

Callmanager

References · 71

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53634.json · Exploit
• https://github.com/ctfer-io/chall-manager/security/advisories/GHSA-ggmv-j932-q89q · Vendor Advisory
• https://github.com/ctfer-io/chall-manager/commit/1385bd869142651146cd0b123085f91cec698636 · Patch
• https://bdu.fstec.ru/vul/2026-00128 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2025:15405-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-53634 · Security Note
• https://osv.dev/vulnerability/CVE-2025-53634 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2025-3809 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-ggmv-j932-q89q · Vendor Advisory
• https://github.com/ctfer-io/chall-manager · Note
• https://github.com/ctfer-io/chall-manager/releases/tag/v0.1.4 · Note
• https://suse.com/security/cve/CVE-2025-46702 · Note
• https://suse.com/security/cve/CVE-2024-44906 · Note
• https://suse.com/security/cve/CVE-2025-3227 · Note
• https://suse.com/security/cve/CVE-2025-53633 · Note