CVE-2020-21861 is a critical file upload vulnerability in DuxCMS 2.1, allowing authenticated attackers to execute arbitrary PHP code through the duxcms/AdminUpload/upload endpoint. This vulnerability carries a high CVSS score of 8.8, indicating a severe risk due to its low attack complexity and high potential for complete compromise of confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there is minimal community discussion or media coverage, the vulnerability's nature makes it a significant threat if exploited. It is not listed in CISA's KEV catalog, suggesting no known active exploitation in the wild.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.1CPE matchmatch criteria | cpe:2.3:a:duxcms_project:duxcms:2.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.