Vulnerability Report

CVE-2021-41246

Title: Session fixation vulnerability in Express OpenID Connect

Session Fixation

Proof Of Concept

No public PoC currently indexed for CVE-2021-41246.

CWE Category CWE-384
Published Date Dec 09, 2021
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 4.6 CVSS v3.1
Exploit Probability (EPSS)
0.89%

Vulnerability Summary

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.

Impacted Vendors

A
auth0 1

Reference Links

https://github.com/auth0/express-openid-connect/commit/5ab67ff2bd84f76674066b5e129b43ab5f2f430f https://github.com/auth0/express-openid-connect/releases/tag/v2.5.2 https://github.com/auth0/express-openid-connect/security/advisories/GHSA-7rg2-qxmf-hhx9 https://github.com/auth0/express-openid-connect/commit/5ab67ff2bd84f76674066b5e129b43ab5f2f430f https://github.com/auth0/express-openid-connect/releases/tag/v2.5.2 https://github.com/auth0/express-openid-connect/security/advisories/GHSA-7rg2-qxmf-hhx9
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.6
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-41246 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Affected Stack

No specific products linked.