CVE-2021-22906 is a denial-of-service vulnerability affecting Nextcloud End-to-End Encryption versions prior to 1.5.3, 1.6.3, and 1.7.1. The flaw allows any authenticated user to lock files belonging to other users, rendering them inaccessible. With a CVSS score of 6.5 (Medium), this vulnerability has a low attack complexity and requires only basic user privileges, leading to a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.5.3CPE matchmatch criteria | cpe:2.3:a:nextcloud:end-to-end_encryption:*:*:*:*:*:*:*:* | ||
>= 1.6.0, < 1.6.3CPE matchmatch criteria | cpe:2.3:a:nextcloud:end-to-end_encryption:*:*:*:*:*:*:*:* | ||
>= 1.7.0, < 1.7.1CPE matchmatch criteria | cpe:2.3:a:nextcloud:end-to-end_encryption:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
Remediation records are not available for this CVE.