CVE-2023-25820 is a high-severity vulnerability affecting Nextcloud Server and Nextcloud Enterprise Server versions prior to their respective patched releases. An attacker who gains access to an already logged-in user session can brute-force the password on confirmation endpoints. This local attack (AV:L) has low complexity (AC:L) and can lead to high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H), resulting in a CVSS score of 7.8. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 21.0.0, < 21.0.9CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | ||
>= 22.2.0, < 22.2.10.10CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | ||
>= 23.0.0, < 23.0.12.5CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | ||
>= 24.0.0, < 24.0.10CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | ||
>= 24.0.0, < 24.0.10CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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.