CVE-2025-0987
📋 TL;DR
CVE-2025-0987 is an authorization bypass vulnerability in CB Project Ltd. Co. CVLand software that allows attackers to manipulate parameters and gain unauthorized access. This affects all CVLand installations from version 2.1.0 through 20251103. Attackers can potentially access sensitive data or perform unauthorized actions.
💻 Affected Systems
- CB Project Ltd. Co. CVLand
⚠️ 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
Complete system compromise allowing attackers to access all data, modify configurations, and potentially execute arbitrary code with administrative privileges.
Likely Case
Unauthorized access to sensitive user data, project information, and administrative functions leading to data theft or system manipulation.
If Mitigated
Limited impact with proper network segmentation and access controls, potentially only affecting isolated components.
🎯 Exploit Status
The vulnerability involves parameter manipulation which typically requires some level of access but could be exploited through various attack vectors.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-25-0371
Restart Required: Yes
Instructions:
1. Monitor vendor channels for patch release. 2. Apply patch when available. 3. Restart CVLand services. 4. Verify fix implementation.
🔧 Temporary Workarounds
Network Segmentation
linuxRestrict network access to CVLand instances to only trusted users and systems.
iptables -A INPUT -p tcp --dport [CVLand_PORT] -s [TRUSTED_IP] -j ACCEPT
iptables -A INPUT -p tcp --dport [CVLand_PORT] -j DROP
Web Application Firewall Rules
allImplement WAF rules to detect and block parameter manipulation attempts.
🧯 If You Can't Patch
- Implement strict access controls and network segmentation to limit exposure
- Monitor logs for unusual parameter manipulation attempts and unauthorized access patterns
🔍 How to Verify
Check if Vulnerable:
Check CVLand version against affected range (2.1.0 through 20251103) using version check command.Check Version:
Check CVLand web interface or configuration files for version informationVerify Fix Applied:
After applying vendor patch, verify version is beyond 20251103 and test authorization controls.📡 Detection & Monitoring
Log Indicators:
- Unusual parameter values in requests
- Authorization failures followed by successful access
- Access from unexpected user accounts
Network Indicators:
- Unusual parameter manipulation in HTTP requests
- Requests with modified keys or identifiers
SIEM Query:
source="cvland" AND (event_type="auth_failure" OR param_value="*[unusual_pattern]*")