CVE-2021-27693 is a critical Server-Side Request Forgery (SSRF) vulnerability affecting PublicCMS versions prior to 4.0.202011.b, specifically within the /publiccms/admin/ueditor component when the 'catchimage' action is used. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network without authentication or user interaction, allowing for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.0.202011.bCPE matchmatch criteria | cpe:2.3:a:publiccms:publiccms:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 0.0 Security Researcher mentions.