Vulnerability in Nextauth.js Next-Auth
CVE-2021-21310
NextAuth.js (next-auth) is am open source authentication solution for Next.js applications. In next-auth before version 3.3.0 there is a token verification vulnerability. Implementations using the Prisma database adapter in conjunction with the Email provider are impacted. Implementations using the Email provider with the default database adapter are not impacted. Implementations using the Prisma database adapter but not using the Email provider are not impacted. The Prisma database adapter was checking the verification token, but was not verifying the email address associated with that token. This made it possible to use a valid token to sign in as another user when using the Prima adapter in conjunction with the Email provider. This issue is specific to the community supported Prisma adapter. This issue is fixed in version 3.3.0.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.017 (75.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Nextauth.js Next-Auth
- Nextauthjs Next-Auth — versions < 3.3.0
Weakness classification (CWE)
References
- github.com/nextauthjs/next-auth/security/advisories/GHSA-pg53-56cg-4m8q (Exploit, Third Party Advisory)
- www.npmjs.com/package/next-auth (Product, Third Party Advisory)
- github.com/nextauthjs/next-auth/releases/tag/v3.3.0 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21310?
- CVE-2021-21310 is a medium-severity vulnerability in Nextauth.js Next-Auth, classified under Authentication Bypass by Spoofing. CVSS score: 6.1/10. Published 2021-02-11.
- How severe is CVE-2021-21310?
- Medium severity. CVSS v3 base score is 6.1 out of 10.