CVE-2021-34569 describes a critical vulnerability in the WAGO I/O-Check Service across multiple products, allowing an unauthenticated attacker to execute OS commands by sending a specially crafted packet. This network-based attack, with low complexity and no user interaction required, can lead to a complete compromise of confidentiality, integrity, and availability, as reflected by its CVSS score of 9.8. While there is no evidence of active exploitation, public exploit code, or inclusion in the KEV catalog, the vulnerability has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 18CPE matchmatch criteria | cpe:2.3:o:wago:750-8100_firmware:*:*:*:*:*:*:*:* | ||
18CPE matchmatch criteria | cpe:2.3:o:wago:750-8100_firmware:18:-:*:*:*:*:*:* | ||
18CPE matchmatch criteria | cpe:2.3:o:wago:750-8100_firmware:18:patch_1:*:*:*:*:*:* | ||
18CPE matchmatch criteria | cpe:2.3:o:wago:750-8100_firmware:18:patch_2:*:*:*:*:*:* | ||
< 18CPE matchmatch criteria | cpe:2.3:o:wago:750-8101_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.
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.