CVE-2021-32679 is a high-severity vulnerability affecting Nextcloud Server versions prior to 19.0.13, 20.0.11, and 21.0.3. It allows attackers to trick users into downloading malicious files by manipulating displayed file extensions due to unescaped filenames in DownloadResponse. The vulnerability has a CVSS score of 8.8, indicating a high potential for impact including confidentiality, integrity, and availability compromise, requiring user interaction but with low attack complexity. There is currently no known active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 19.0.13CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | ||
>= 20.0.0, < 20.0.11CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | ||
>= 21.0.0, < 21.0.3CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
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 0.1 Security Researcher mentions.