CVE-2021-37630 describes a vulnerability in Nextcloud Circles versions prior to 0.19.15, 0.20.11, and 0.21.4, where any user could join a "Secret Circle" without owner approval, leading to private information disclosure. With a CVSS score of 6.5 (Medium), this flaw has a low attack complexity and requires low privileges, resulting in high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.19.5CPE matchmatch criteria | cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:* | ||
>= 0.20.0, < 0.20.11CPE matchmatch criteria | cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:* | ||
>= 0.21.0, < 0.21.4CPE matchmatch criteria | cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.