CVE-2021-40400 is an out-of-bounds read vulnerability in the RS-274X aperture macro outline primitive functionality of Gerbv 2.7.0, its development branch, and a forked version. This flaw allows a specially crafted Gerber file to trigger information disclosure. With a CVSS score of 7.5 (High), this vulnerability can be exploited remotely with low attack complexity, leading to high confidentiality impact without requiring user interaction. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog, though it has received some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.7.0CPE matchmatch criteria | cpe:2.3:a:gerbv_project:gerbv:2.7.0:-:*:*:*:*:*:* | ||
2.7.0CPE matchmatch criteria | cpe:2.3:a:gerbv_project:gerbv:2.7.0:dev:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
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.