CVE-2021-30186 is a high-severity heap-based buffer overflow vulnerability affecting the CODESYS V2 runtime system, specifically versions prior to 2.4.7.55, and consequently impacting products from vendors like WAGO. This vulnerability, with a CVSS score of 7.5, can be exploited remotely without user interaction, leading to a denial of service. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< fw08CPE matchmatch criteria | cpe:2.3:o:wago:750-893_firmware:*:*:*:*:*:*:*:* | ||
< fw08CPE matchmatch criteria | cpe:2.3:o:wago:750-891_firmware:*:*:*:*:*:*:*:* | ||
< fw08CPE matchmatch criteria | cpe:2.3:o:wago:750-890_firmware:*:*:*:*:*:*:*:* | ||
< fw15CPE matchmatch criteria | cpe:2.3:o:wago:750-889_firmware:*:*:*:*:*:*:*:* | ||
< fw15CPE matchmatch criteria | cpe:2.3:o:wago:750-885_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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.
Vulnerabilities in CODESYS V2 runtime systems
Jul 20, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 20, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 20, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 20, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 20, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 20, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 9, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 9, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 9, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 9, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 9, 2021Vulnerabilities in CODESYS V2 runtime systems
Jul 9, 2021