phpMyAdmin through 5.2.3 contains an authentication bypass vulnerability in CustomServer::parseAndValidateAssertionResponse() that never verifies…
phpMyAdmin through 5.2.3 contains an authentication bypass vulnerability in CustomServer::parseAndValidateAssertionResponse() that never verifies WebAuthn assertion signatures against stored public keys. Attackers holding a victim's MySQL credentials can POST a crafted webauthn_request_response with matching challenge, origin, and rpIdHash to bypass the second factor and gain database privileges.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- PhpMyAdmin
- Product
- phpMyAdmin
- CVSS v3.1
- 6.8 AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weakness
- CWE-347
- Exposure class
- Database, Web platform
- NVD status
- Received
Why it ranks 20 (Routine)
- CVSS v3.1 6.8 medium
- Product class: database, web platform
- Widely deployed vendor product (PhpMyAdmin)
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.