CVE-2023-49091 is a critical authorization bypass vulnerability affecting Cosmos-server, a self-hosted home server application. The flaw allows an attacker to gain unauthorized access to the system even after a user logs out, as the authorization header token remains valid and does not expire. With a CVSS score of 9.8, this vulnerability poses a severe risk, enabling full compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. While there is no evidence of active exploitation, public exploit code, or significant community discussion, the issue has been patched in Cosmos-server version 0.13.1.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.1.15CPE matchmatch criteria | cpe:2.3:a:cosmos-cloud:cosmos_server:0.1.15:*:*:*:*:*:*:* | ||
0.1.16CPE matchmatch criteria | cpe:2.3:a:cosmos-cloud:cosmos_server:0.1.16:*:*:*:*:*:*:* | ||
0.1.17CPE matchmatch criteria | cpe:2.3:a:cosmos-cloud:cosmos_server:0.1.17:*:*:*:*:*:*:* | ||
0.2.0CPE matchmatch criteria | cpe:2.3:a:cosmos-cloud:cosmos_server:0.2.0:*:*:*:*:*:*:* | ||
0.3.0CPE matchmatch criteria | cpe:2.3:a:cosmos-cloud:cosmos_server:0.3.0:-:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.