CVE-2018-3761 describes an improper authentication vulnerability in Nextcloud Server versions prior to 12.0.8 and 13.0.3, specifically affecting its OAuth2 token endpoint. This flaw could allow a partially compromised OAuth2 client to obtain new tokens. With a CVSS score of 8.1 (High), the vulnerability is network-exploitable with low complexity, requiring user interaction, and could lead to high confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 12.0.8CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | ||
>= 13.0.0, < 13.0.3CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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.
Remediation records are not available for this CVE.