MEDIUM CVSS 5.3
Published: 2025-07-09

CVE-2025-53667

jenkins dead_man\'s_snitch Security Advisory (CVE-2025-53667)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-53667 impacting jenkins dead_man\'s_snitch. Evaluated with CVSS Base Score of 5.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
Jenkins Dead Man's Snitch Plugin 0.1 does not mask Dead Man's Snitch tokens displayed on the job configuration form, increasing the potential for attackers to observe and capture them.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
Low (C:L)
Partial information leakage
Integrity
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product jenkins / dead_man\'s_snitch
Affected Versions 0.1
Weakness Enumeration CWE-522

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2025-53667 impacting jenkins dead_man\'s_snitch.

⚡ Nuclei Detection Template (YAML) cve-2025-53667.yaml
id: cve-2025-53667

info:
  name: jenkins dead_man\'s_snitch - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2025-53667 affecting jenkins dead_man\'s_snitch.
    Evaluation: Jenkins Dead Man's Snitch Plugin 0.1 does not mask Dead Man's Snitch tokens displayed on the job configuration form, increasing the potentia...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-53667
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    cvss-score: 5.3
    cve-id: CVE-2025-53667
    cwe-id: CWE-522
  tags: cve,cve-2025-53667,jenkins,dead_man\'s_snitch,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "dead_man\'s_snitch"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-53667.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-53667
# Target: jenkins dead_man\'s_snitch | CVSS: 5.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-53667 (jenkins dead_man\'s_snitch)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against jenkins dead_man\'s_snitch scope (0.1).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2025-53667.sh
# Recommended Remediation & Patching Commands for CVE-2025-53667
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install dead_man\'s_snitch 2>/dev/null || \
sudo dnf upgrade dead_man\'s_snitch 2>/dev/null || \
sudo yum update dead_man\'s_snitch

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i dead_man\'s_snitch 2>/dev/null || rpm -qa | grep -i dead_man\'s_snitch

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
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Distributions
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❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2025-53667 in jenkins dead_man\'s_snitch?

Review vendor-specific security notices and update jenkins dead_man\'s_snitch packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2025-53667?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2025-53667?

CVE-2025-53667 is classified with a CVSS 3.1 Base Score of 5.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.3
MEDIUM SEVERITY
CVE ID CVE-2025-53667
Weakness CWE-522
Vendor jenkins
Product dead_man\'s_snitch
Published 2025-07-09
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N