CVE-2023-49091

high-risk

Published 2023-11-29

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.

Do I need to act?

0.44% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.8/10 High

NETWORK / LOW complexity

Affected Products (20)

Cosmos Server

Affected Vendors

Cosmos-Cloud

References (3)

Patch https://github.com/azukaar/Cosmos-Server/commit/7a3fdfb467bd4d1f8333e3e1f3c3f5fc...

Exploit https://github.com/azukaar/Cosmos-Server/security/advisories/GHSA-hpvm-x7m8-3c6x

/ 100

high-risk

Severity 30/34 · Critical

Exploitability 2/34 · Minimal

Exposure 29/34 · Critical