CVE-2021-42027 affects all versions of Siemens SINUMERIK Edge prior to V3.2, stemming from improper server certificate validation during TLS connection initiation. This high-severity vulnerability (CVSS 7.4) allows an attacker to spoof a trusted entity via a man-in-the-middle attack, leading to high confidentiality and integrity impacts without user interaction. While no public exploit intelligence or active exploitation has been observed, and community discussion is minimal, the potential for a sophisticated attacker to compromise communications remains.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.2CPE matchmatch criteria | cpe:2.3:a:siemens:sinumerik_edge:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
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.