Vulnerability in Auth0 Express-Openid-Connect
CVE-2021-41246
Express OpenID Connect is express JS middleware implementing sign on for Express web apps using OpenID Connect. Versions before and including `2.5.1` do not regenerate the session id and session cookie when user logs in. This behavior opens up the application to various session fixation vulnerabilities. Versions `2.5.2` contains a patch for this issue.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.009 (57.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Auth0 Express-Openid-Connect — versions >= 2.3.0, < 2.5.2
- Auth0 Express Openid Connect
Weakness classification (CWE)
References
- github.com/auth0/express-openid-connect/security/advisories/GHSA-7rg2-qxmf-hhx9 (Third Party Advisory)
- github.com/auth0/express-openid-connect/commit/5ab67ff2bd84f76674066b5e129b43ab… (Patch, Third Party Advisory)
- github.com/auth0/express-openid-connect/releases/tag/v2.5.2 (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2021-41246?
- CVE-2021-41246 is a medium-severity vulnerability in Auth0 Express-Openid-Connect, classified under Session Fixation. CVSS score: 4.6/10. Published 2021-12-09.
- How severe is CVE-2021-41246?
- Medium severity. CVSS v3 base score is 4.6 out of 10.