Vulnerability Details : 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 2021-12-09 16:15:08
Updated 2021-12-14 00:40:07
Source GitHub, Inc.
View at NVD,   CVE.org

Products affected by CVE-2021-41246

Exploit prediction scoring system (EPSS) score for CVE-2021-41246

EPSS FAQ
0.36%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-41246

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
 NIST
4.6
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
2.1
2.5
 GitHub, Inc.

CWE ids for CVE-2021-41246

  • Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
    Assigned by: security-advisories@github.com (Primary)

References for CVE-2021-41246

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