CVE-2021-42705 is a stack-based buffer overflow vulnerability affecting PLC Editor versions 1.3.8 and prior, specifically impacting we-con plc_editor products. With a CVSS score of 7.8 (High), this vulnerability allows an unauthenticated attacker to execute arbitrary code on the affected system through a low-complexity attack requiring user interaction (e.g., opening a malicious project file). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.3.8CPE matchmatch criteria | cpe:2.3:a:we-con:plc_editor:*:*:*:*:*:*:*:* | ||
<= 1.3.8CPE match | cpe:2.3:a:wecon:plc_editor:*:*:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.