CVE-2023-49091 HIGH

CVE-2023-49091: Jwttoken in Cosmos server never expires after password changed and logging out

Vendor Azukaar
Product Cosmos-Server
Weakness CWE-613 · Insufficient session expiration
Published November 29, 2023
Last update January 21, 2025

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Cosmos provides users the ability self-host a home server by acting as a secure gateway to your application, as well as a server manager. Cosmos-server is vulnerable due to to the authorization header used for user login remaining valid and not expiring after log out. This vulnerability allows an attacker to use the token to gain unauthorized access to the application/system even after the user has logged out. This issue has been patched in version 0.13.1.

Key dates

02Disclosure timeline

November 29, 2023 CVE published
January 21, 2025 Record updated