CVE-2021-23180 describes a null pointer dereference vulnerability in htmldoc versions 1.9.12 and earlier, specifically within the file_extension() function in file.c. This flaw carries a high CVSS score of 7.8, indicating that an attacker could achieve arbitrary code execution or denial of service through a low-complexity attack requiring user interaction. While the potential impact is significant, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or notable community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.9.12CPE matchmatch criteria | cpe:2.3:a:htmldoc_project:htmldoc:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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.