CVE-2025-23017

6.0 MEDIUM

📋 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

Products:
  • WorkOS Hosted AuthKit
Versions: All versions before 2025-01-07
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WorkOS Hosted AuthKit service, not self-hosted deployments.

⚠️ 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

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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

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

all

Implement strict password requirements and regular rotation to reduce credential theft risk

Monitor Authentication Logs

all

Set 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

🔗 References

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