CVE-2025-49825
📋 TL;DR
CVE-2025-49825 is a critical authentication bypass vulnerability in Teleport Community Edition that allows remote attackers to gain unauthorized access to infrastructure without valid credentials. All organizations running vulnerable Teleport Community Edition versions are affected. This vulnerability enables complete compromise of the authentication and access control system.
💻 Affected Systems
- Teleport Community Edition
⚠️ 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 infrastructure takeover where attackers gain administrative access to all connected systems, databases, and services through the compromised Teleport instance.
Likely Case
Attackers gain unauthorized access to sensitive infrastructure, potentially leading to data exfiltration, lateral movement, and privilege escalation across the environment.
If Mitigated
With proper network segmentation and additional authentication layers, impact could be limited to the Teleport instance itself, though credential theft and session hijacking remain possible.
🎯 Exploit Status
The advisory confirms remote exploitation without authentication. Given the critical nature and CVSS 9.8 score, weaponization is likely even without public PoC.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: https://github.com/gravitational/teleport/security/advisories/GHSA-8cqv-pj7f-pwpc
Restart Required: Yes
Instructions:
No official patch available for Community Edition. Consider upgrading to Enterprise Edition or implementing workarounds.
🔧 Temporary Workarounds
Network Isolation
linuxImmediately restrict network access to Teleport instances to only trusted IP ranges and required administrative connections.
# Use firewall rules to restrict access
# Example for iptables:
iptables -A INPUT -p tcp --dport 3025 -s trusted_ip_range -j ACCEPT
iptables -A INPUT -p tcp --dport 3025 -j DROP
Upgrade to Enterprise Edition
allMigrate to Teleport Enterprise Edition which is not vulnerable to this specific issue.
# Contact Gravitational for Enterprise licensing and migration
🧯 If You Can't Patch
- Immediately isolate Teleport instances from internet access and restrict to minimal necessary internal network segments
- Implement additional authentication layers (VPN, bastion hosts) in front of Teleport and monitor all access attempts
🔍 How to Verify
Check if Vulnerable:
Check Teleport version with: teleport version | grep -i version. If version is 17.5.1 or earlier, you are vulnerable.Check Version:
teleport versionVerify Fix Applied:
Currently no fix to verify. Monitor vendor advisory for patch availability.📡 Detection & Monitoring
Log Indicators:
- Unusual authentication patterns
- Successful logins from unexpected IPs
- Multiple failed login attempts followed by success
Network Indicators:
- Unusual traffic patterns to Teleport ports (3025, 3080)
- Connections from unexpected sources
SIEM Query:
source="teleport*" AND (event="user.login" OR event="session.start") | stats count by src_ip, user | where count > threshold