CVE-2025-23017
📋 TL;DR
WorkOS Hosted AuthKit versions before 2025-01-07 contain an authentication bypass vulnerability where attackers who know a user's password can bypass MFA by enrolling a new authentication factor. This affects all organizations using vulnerable versions of WorkOS Hosted AuthKit for authentication.
💻 Affected Systems
- WorkOS Hosted AuthKit
⚠️ 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 with compromised credentials could bypass MFA entirely, gaining unauthorized access to protected systems and data.
Likely Case
Attackers who obtain user passwords through phishing or credential stuffing could bypass MFA protections to access accounts.
If Mitigated
With proper password hygiene and monitoring, impact is limited to credential theft scenarios where attackers already have passwords.
🎯 Exploit Status
Requires knowledge of user password. No known exploitation in the wild.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2025-01-07 or later
Vendor Advisory: https://workos.com/security/advisories
Restart Required: No
Instructions:
1. Log into WorkOS dashboard 2. Navigate to AuthKit settings 3. Ensure service version is 2025-01-07 or later 4. No restart required as this is a SaaS service
🔧 Temporary Workarounds
Enforce Strong Password Policies
allImplement strict password requirements and regular rotation to reduce credential theft risk
Monitor Authentication Logs
allSet up alerts for unusual MFA enrollment or authentication patterns
🧯 If You Can't Patch
- Implement additional authentication layers beyond WorkOS AuthKit
- Increase monitoring for suspicious MFA enrollment activities
🔍 How to Verify
Check if Vulnerable:
Check WorkOS dashboard for AuthKit service version. If date is before 2025-01-07, system is vulnerable.
Check Version:
No command - check via WorkOS web dashboard
Verify Fix Applied:
Confirm AuthKit service version shows 2025-01-07 or later in WorkOS dashboard.
📡 Detection & Monitoring
Log Indicators:
- Multiple MFA enrollment attempts for single user
- MFA enrollment immediately followed by successful authentication
- Authentication from new device without proper MFA challenge
Network Indicators:
- Unusual authentication patterns to AuthKit endpoints
SIEM Query:
source="workos" AND (event="mfa_enrollment" OR event="authentication") | stats count by user, ip_address, event