CVE-2023-28835 is a high-severity vulnerability affecting Nextcloud Server versions prior to 24.0.10 and 25.0.4, where a weak random number generator was used for fallback share passwords, making them susceptible to brute-force attacks if not changed by the sharer. With a CVSS score of 7.5, this vulnerability allows an unauthenticated attacker to remotely guess passwords and gain unauthorized access to shared data. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 23.0.0, < 23.0.14CPE 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:*:*:* | ||
>= 25.0.0, < 25.0.4CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* | ||
>= 25.0.0, < 25.0.4CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.