CVE-2025-24783
📋 TL;DR
This vulnerability allows attackers to guess continuation identifiers in Apache Cocoon due to insufficiently random seed values, potentially accessing unauthorized continuations. All versions of Apache Cocoon are affected, but the project is retired and unsupported.
💻 Affected Systems
- Apache Cocoon
📦 What is this software?
Cocoon by Apache
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could systematically guess continuation IDs and access sensitive session data or functionality they shouldn't have access to, potentially leading to data exposure or privilege escalation.
Likely Case
Unauthorized access to continuation data that may contain session information or application state, potentially enabling information disclosure or session hijacking.
If Mitigated
With session-bound continuations enabled, continuation access is restricted to proper sessions, significantly reducing the attack surface.
🎯 Exploit Status
Exploitation requires understanding of continuation IDs and ability to predict/guess them based on timing patterns.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: none
Vendor Advisory: https://lists.apache.org/thread/pk86jp5cvn41432op8wv1k8p14mp27nz
Restart Required: No
Instructions:
No official patch available as project is retired. Consider migration to alternative solutions.
🔧 Temporary Workarounds
Enable session-bound continuations
allConfigure Cocoon to bind continuations to sessions, preventing cross-session access
Set 'session-bound-continuations' option to true in Cocoon configuration
🧯 If You Can't Patch
- Restrict network access to Cocoon instances to trusted users only
- Implement additional authentication/authorization layers for continuation access
🔍 How to Verify
Check if Vulnerable:
Check if using Apache Cocoon with continuations feature enabledCheck Version:
Check Cocoon version in deployment configuration or application metadataVerify Fix Applied:
Verify 'session-bound-continuations' option is enabled in configuration📡 Detection & Monitoring
Log Indicators:
- Unusual patterns of continuation ID access
- Multiple failed continuation ID attempts
Network Indicators:
- Unusual request patterns to continuation endpoints
SIEM Query:
source="cocoon" AND (event="continuation_access" OR event="continuation_id") AND (status="failed" OR count > threshold)