CVE-2021-20721 is a critical arbitrary file upload vulnerability affecting KonaWiki2 versions prior to 2.2.4, specifically impacting products like kujirahand konawiki. This flaw allows remote, unauthenticated attackers to upload malicious files, potentially leading to arbitrary code execution if PHP scripts are included. With a CVSS score of 9.8, it represents a severe risk due to its network-based attack vector, low complexity, and high impact on 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 with 10 mentions, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.2.4CPE matchmatch criteria | cpe:2.3:a:kujirahand:konawiki:*:*:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.