Vulnerability · Published Nov 29, 2023 · Assigned by GitHub_M

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

High 8.8

In plain English

A high-severity security flaw in Cosmos-Server from azukaar. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.8%top 44.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
azukaar	Cosmos-Server	< 0.13.1

Weakness: CWE-613 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://github.com/azukaar/Cosmos-Server/security/advisories/GHSA-hpvm-x7m8-3c6x x_refsource_CONFIRM
https://github.com/azukaar/Cosmos-Server/commit/7a3fdfb467bd4d1f8333e3e1f3c3f5fca0b69cd7 x_refsource_MISC