CVE-2021-44159 describes a critical improper user privilege control vulnerability in the 4MOSAn GCB Doctor's file upload function. This flaw allows unauthenticated remote attackers to upload arbitrary files, including webshells, leading to arbitrary code execution, system compromise, or denial of service. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable over the network with no user interaction required, posing a significant risk. While there are no known public exploits or Metasploit/Nuclei modules, the vulnerability has garnered considerable community discussion, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2021-09-16CPE matchmatch criteria | cpe:2.3:a:4mosan:gcb_doctor:*:*:*:*:*:*:*:* |
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.