CVE-2018-11466 is a critical vulnerability affecting Siemens SINUMERIK 808D, 828D, and 840D sl controllers, allowing remote attackers to cause a Denial-of-Service or execute code on the integrated software firewall. This vulnerability carries a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability without requiring user privileges or interaction. While no public exploitation was known at the time of advisory publication, there is no public exploit code available, and community discussion and media coverage are limited.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:siemens:sinumerik_808d_v4.7_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:siemens:sinumerik_808d_v4.8_firmware:*:*:*:*:*:*:*:* | ||
<= 4.7CPE matchmatch criteria | cpe:2.3:o:siemens:sinumerik_840d_sl_v4.7_firmware:*:*:*:*:*:*:*:* | ||
<= 4.8CPE matchmatch criteria | cpe:2.3:o:siemens:sinumerik_840d_sl_v4.8_firmware:*:*:*:*:*:*:*:* | ||
<= 4.7CPE matchmatch criteria | cpe:2.3:o:siemens:sinumerik_828d_v4.7_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/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.