CVE-2025-58047

7.5 HIGH

📋 TL;DR

This vulnerability in Volto (React frontend for Plone CMS) allows anonymous users to crash the NodeJS server by visiting a specific URL, causing denial of service. Affected systems are those running vulnerable versions of Volto without proper process restart mechanisms.

💻 Affected Systems

Products:
  • Volto (Plone CMS frontend)
Versions: 19.0.0-alpha.1 to 19.0.0-alpha.3, 18.0.0 to 18.23.x, 17.0.0 to 17.22.0, and all versions before 16.34.0
Operating Systems: All platforms running NodeJS
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects Volto deployments with NodeJS server component exposed.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete service unavailability if the server crashes and doesn't automatically restart, leading to extended downtime.

🟠

Likely Case

Temporary service disruption until automatic process restart mechanisms recover the server.

🟢

If Mitigated

Brief service interruption followed by automatic recovery if proper monitoring and restart controls are in place.

🌐 Internet-Facing: HIGH - Anonymous users can trigger the crash without authentication from the internet.
🏢 Internal Only: MEDIUM - Internal users could also trigger the crash, but attack surface is smaller.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Simple URL access required, no authentication needed. Specific URL pattern not disclosed in CVE.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 16.34.0, 17.22.1, 18.24.0, or 19.0.0-alpha.4

Vendor Advisory: https://github.com/plone/volto/security/advisories

Restart Required: Yes

Instructions:

1. Identify current Volto version. 2. Upgrade to patched version matching your major release. 3. Restart NodeJS server. 4. Verify service functionality.

🔧 Temporary Workarounds

Implement automatic process restart

all

Configure process manager to automatically restart crashed NodeJS processes

# For PM2: pm2 start server.js --name volto --watch
# For systemd: add Restart=always in service file

🧯 If You Can't Patch

  • Implement robust monitoring and automatic restart mechanisms for NodeJS processes
  • Restrict access to Volto server using WAF rules or network segmentation

🔍 How to Verify

Check if Vulnerable:

Check package.json for Volto version. If version falls within affected ranges, system is vulnerable.

Check Version:

cat package.json | grep '"@plone/volto"'

Verify Fix Applied:

After patching, verify version is 16.34.0+, 17.22.1+, 18.24.0+, or 19.0.0-alpha.4+ in package.json.

📡 Detection & Monitoring

Log Indicators:

  • NodeJS process crashes with error codes
  • Unexpected server restarts
  • HTTP 500 errors from specific URL patterns

Network Indicators:

  • Sudden drop in service availability
  • Increased error responses from Volto server

SIEM Query:

source="volto.logs" AND ("process crashed" OR "unhandled exception" OR "ECONNRESET")

🔗 References

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