CVE-2021-27384 describes an out-of-bounds memory access vulnerability in the SmartVNC device layout handler, affecting numerous Siemens SIMATIC HMI Comfort Panels, Mobile Panels, WinCC Runtime Advanced, and SINAMICS products across various versions. This critical vulnerability, rated 9.8 CVSS, allows for remote code execution without authentication or user interaction. Despite its severity, there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 16CPE matchmatch criteria | cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:*:*:*:*:*:*:*:* | ||
16CPE matchmatch criteria | cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:-:*:*:*:*:*:* | ||
16CPE matchmatch criteria | cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:update1:*:*:*:*:*:* | ||
16CPE matchmatch criteria | cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:update2:*:*:*:*:*:* | ||
16CPE matchmatch criteria | cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:update3:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.