CVE-2018-11457 describes a critical remote code execution vulnerability in the integrated web server of Siemens SINUMERIK 828D V4.7 and 840D sl V4.7/V4.8 controllers. This flaw allows an unauthenticated, remote attacker to execute code with privileged permissions by sending specially crafted network requests to port 4842/tcp, provided that port is manually opened in the firewall. With a CVSS score of 8.1 (HIGH), the vulnerability has a network attack vector, low attack complexity, and can lead to a complete compromise of confidentiality, integrity, and availability. While no public exploits were known at the time of advisory publication and it's not listed in CISA's KEV catalog, it has received some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.7CPE matchmatch criteria | cpe:2.3:o:siemens:sinumerik_828d_v4.7_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:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/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, 0.1 Bluesky, 0.1 Mastodon, and 0.2 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.