9.8

CVE-2023-49091: azukaar cosmos-server Insufficient Session Expiration

CVSS: 9.8v3.1CriticalAnalyzed
Published 29-11-2023Last modified 21-01-2025
Open JSON

Vulnerability summary

CVE-2023-49091 is a critical (CVSS 9.8) Insufficient Session Expiration vulnerability in azukaar cosmos-server. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 55% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.77%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 29-11-2023
    PublishedVulnerability first disclosed.
  2. 21-01-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

0.00 pp

From 0.77% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Cosmos Server

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Azukaar1 product
Cosmos-cloud1 product
  • cosmos_server0.1.15 | 0.1.16 | 0.1.17 | 0.2.0 | 0.3.0 | 0.3.1 | 0.3.2 | 0.3.3 | 0.3.4 | 0.3.5 | 0.4.0 | 0.4.1 | 0.4.2 | 0.4.3 | 0.5.0 | 0.5.1 | 0.5.2 | 0.5.3 | 0.5.4 | 0.5.5 | 0.5.6 | 0.5.7 | 0.5.8 | 0.5.9 | 0.5.12 | 0.6.0 | 0.6.1 | 0.6.2 | 0.6.3 | 0.6.4 | 0.7.0 | 0.7.1 | 0.7.2 | 0.7.3 | 0.7.4 | 0.7.5 | 0.7.6 | 0.7.7 | 0.7.8 | 0.7.9 | 0.7.10 | 0.8.0 | 0.8.1 | 0.8.2 | 0.8.3 | 0.8.4 | 0.8.5 | 0.8.6 | 0.8.7 | 0.8.8 | 0.8.9 | 0.8.10 | 0.8.11 | 0.9.0 | 0.9.1 | 0.9.2 | 0.9.3 | 0.9.4 | 0.9.5 | 0.9.6 | 0.9.7 | 0.9.8 | 0.9.9 | 0.9.10 | 0.9.11 | 0.9.12 | 0.9.13 | 0.9.14 | 0.9.15 | 0.9.16 | 0.9.17 | 0.9.18 | 0.9.19 | 0.9.20 | 0.9.21 | 0.10.0 | 0.10.1 | 0.10.2 | 0.10.3 | 0.10.4 | 0.11.0 | 0.11.1 | 0.11.2 | 0.11.3 | 0.12.0 | 0.12.1 | 0.12.2 | 0.12.3 | 0.12.4 | 0.12.5 | 0.12.6

2 vendors · 2 products

References

2 links