VULNERABILITY INTELLIGENCE
CVE-2021-41246
CVSS score4.6 MEDIUM
EPSS probability0.92%
CISA KEVNot currently listed
Published2021-12-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Description
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.
Weakness classification
- security-advisories@github.com: CWE-384
Primary references
- security-advisories@github.com — Patch, Third Party Advisory
- security-advisories@github.com — Release Notes, Third Party Advisory
- security-advisories@github.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory