cve.bz

CVE-2021-41246

8.8 highEPSS 0.9%

High (8.8) in auth0 express openid connect. EPSS 0.9% chance of exploitation in the next 30 days. Fixed in express-openid-connect 2.5.2.

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.

Severity

CVSS 3.1

8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE
CWE-384
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-7rg2-qxmf-hhx9npmexpress-openid-connect>=2.3.0 <2.5.22.5.2

References

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