CVE-2021-30193 is a critical out-of-bounds write vulnerability affecting CODESYS V2 Web-Server versions prior to 1.1.9.20, impacting products from vendors like CODESYS and WAGO. With a CVSS score of 9.8, it presents a severe risk as an unauthenticated attacker can exploit it remotely over the network with low complexity, leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed on CISA's KEV catalog, indicating no active exploitation. Community discussion and media coverage for this CVE are also minimal.
| 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: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.
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, 2021