CVE-2023-49091

Jwttoken in Cosmos server never expires after password changed and logging out

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

azukaar · Cosmos-Server

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 GITHUB

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

EPSS

0.77% chance of exploitation in the next 30 days, 55th percentile

Published

2023-11-29

Updated

2025-01-21

Proof-of-concept exploits (1)

• azukaar/Cosmos-Server/security/advisories/GHSA-hpvm-x7m8-3c6x

Security advisories

• azukaar/Cosmos-Server/commit/7a3fdfb467bd4d1f8333e3e1f3c3f5fca0b69cd7

References

• CVE Record
• NVD entry