Auth bypass in Strapi
CVE-2023-22893
Strapi through 4.5.5 does not verify the access or ID tokens issued during the OAuth flow when the AWS Cognito login provider is used for authentication. A remote attacker could forge an ID token that is signed using the 'None' type algorithm to bypass authentication and impersonate any user that use AWS Cognito for authentication.
Vulnerability class: Broken Authentication
EPSS: 0.042 (89.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Strapi
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Release Notes)
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22893?
- CVE-2023-22893 is a high-severity vulnerability in Strapi, classified under Improper Authentication. CVSS score: 7.5/10. Published 2023-04-19.
- How severe is CVE-2023-22893?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-22893 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.