MEDIUM CVSS 6.1
Published: 2025-03-20

CVE-2024-10908

lm-sys fastchat Security Advisory (CVE-2024-10908)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2024-10908 impacting lm-sys fastchat. Evaluated with CVSS Base Score of 6.1 (MEDIUM).

Original NVD Description

Source: NIST NVD
An open redirect vulnerability in lm-sys/fastchat Release v0.2.36 allows a remote unauthenticated attacker to redirect users to arbitrary websites via a specially crafted URL. This can be exploited for phishing attacks, malware distribution, and credential theft.

📊 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
Required (UI:R)
User must click or open resource
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
Low (C:L)
Partial information leakage
Integrity
Low (I:L)
Partial data modification possible
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product lm-sys / fastchat
Affected Versions 0.2.36
Weakness Enumeration CWE-601

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-2024-10908 impacting lm-sys fastchat.

⚡ Nuclei Detection Template (YAML) cve-2024-10908.yaml
id: cve-2024-10908

info:
  name: lm-sys fastchat - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2024-10908 affecting lm-sys fastchat.
    Evaluation: An open redirect vulnerability in lm-sys/fastchat Release v0.2.36 allows a remote unauthenticated attacker to redirect users to arbitrary websites via...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2024-10908
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2024-10908
    cwe-id: CWE-601
  tags: cve,cve-2024-10908,lm-sys,fastchat,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "fastchat"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2024-10908.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2024-10908
# Target: lm-sys fastchat | CVSS: 6.1 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2024-10908 (lm-sys fastchat)...")
    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 lm-sys fastchat scope (0.2.36).")
        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-2024-10908.sh
# Recommended Remediation & Patching Commands for CVE-2024-10908
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install fastchat 2>/dev/null || \
sudo dnf upgrade fastchat 2>/dev/null || \
sudo yum update fastchat

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

# 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
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2024-10908 in lm-sys fastchat?

Review vendor-specific security notices and update lm-sys fastchat 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-2024-10908?

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-2024-10908?

CVE-2024-10908 is classified with a CVSS 3.1 Base Score of 6.1 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.1
MEDIUM SEVERITY
CVE ID CVE-2024-10908
Weakness CWE-601
Vendor lm-sys
Product fastchat
Published 2025-03-20
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N