CVE-2018-16466 describes an improper revalidation of permissions vulnerability in Nextcloud Server versions prior to 14.0.0, 13.0.6, and 12.0.11, allowing access restrictions to be bypassed when using access tokens. With a CVSS score of 8.1 (High), this vulnerability is network-exploitable with low attack complexity and privileges, potentially leading to high confidentiality and integrity impacts. 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 |
|---|---|---|---|
< 12.0.11CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | ||
>= 13.0.0, < 13.0.6CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | ||
14.0.0CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:14.0.0:beta1:*:*:*:*:*:* | ||
14.0.0CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:14.0.0:beta2:*:*:*:*:*:* | ||
14.0.0CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:14.0.0:beta3:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.