CVE-2020-8293 describes a missing input validation vulnerability in Nextcloud Server versions prior to 20.0.2, 19.0.5, and 18.0.11. This flaw allows authenticated users to store an unlimited amount of data within workflow rules, potentially leading to a denial-of-service (DoS) condition due to excessive load during subsequent rule interactions. Rated with a CVSS score of 6.5 (Medium), the vulnerability has a low attack complexity and requires user privileges, but can result in high availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 18.0.11CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | ||
>= 19.0.0, < 19.0.5CPE matchmatch criteria | cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* | ||
>= 20.0.0, < 20.0.2CPE 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: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.