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I. Basic Information for CVE-2023-49091
Vulnerability Information

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Vulnerability Title
Jwttoken in Cosmos server never expires after password changed and logging out
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分的会话过期机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cosmos 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cosmos是Yann Stepienik个人开发者的一个自行托管家庭服务器的方法。旨在解决日益令人担忧的易受攻击的自托管应用程序和个人服务器的问题。 Cosmos 0.13.0之前版本存在代码问题漏洞,该漏洞源于在用户登录注销后,Authorization 标头中的令牌仍然有效并且不会过期,攻击者利用该漏洞可以获得对应用程序或系统的未经授权的访问,从而导致潜在的数据泄露、未经授权的修改或删除敏感数据等。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
azukaarCosmos-Server < 0.13.1 -
II. Public POCs for CVE-2023-49091
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III. Intelligence Information for CVE-2023-49091
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