CVE-2021-41921 is a critical unrestricted file upload vulnerability affecting xxyopen novel-plus V3.6.1. This flaw allows attackers to upload arbitrary files with any suffix and content, potentially leading to server compromise and remote code execution. With a CVSS score of 9.8, it represents a severe risk due to its network-based attack vector, low complexity, and complete impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, no public exploit code (Metasploit, Nuclei, ExploitDB), and it is not in CISA's KEV catalog, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.6.1CPE matchmatch criteria | cpe:2.3:a:xxyopen:novel-plus:3.6.1:*:*:*:*:*:*:* |
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.