CVE-2021-29241 is a NULL pointer dereference vulnerability affecting CODESYS Gateway 3 versions prior to 3.5.16.70. This flaw can lead to a denial of service (DoS) condition. It has a CVSS score of 7.5 (High), indicating that it is easily exploitable over the network with low complexity and no user interaction, resulting in high availability impact. While there is no known active exploitation, exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0, < 4.0.1.0CPE matchmatch criteria | cpe:2.3:a:codesys:control_for_beaglebone_sl:*:*:*:*:*:*:*:* | ||
>= 3.0, < 4.0.1.0CPE matchmatch criteria | cpe:2.3:a:codesys:control_for_empc-a\/imx6_sl:*:*:*:*:*:*:*:* | ||
>= 3.0, < 4.0.1.0CPE matchmatch criteria | cpe:2.3:a:codesys:control_for_iot2000_sl:*:*:*:*:*:*:*:* | ||
>= 3.0, < 4.0.1.0CPE matchmatch criteria | cpe:2.3:a:codesys:control_for_linux_sl:*:*:*:*:*:*:*:* | ||
>= 3.0, < 3.5.16.0CPE matchmatch criteria | cpe:2.3:a:codesys:control_for_pfc100_sl:*:*:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.