CVE-2017-12739 describes a critical vulnerability affecting Siemens SICAM RTUs SM-2556 COM Modules with specific firmware variants (ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00). The integrated web server on these devices (port 80/tcp) allows unauthenticated remote attackers to execute arbitrary code. This vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation (not in KEV) and no public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, suggesting awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
dnpi00CPE matchmatch criteria | cpe:2.3:o:siemens:sm-2556_firmware:dnpi00:*:*:*:*:*:*:* | ||
enos00CPE matchmatch criteria | cpe:2.3:o:siemens:sm-2556_firmware:enos00:*:*:*:*:*:*:* | ||
erac00CPE matchmatch criteria | cpe:2.3:o:siemens:sm-2556_firmware:erac00:*:*:*:*:*:*:* | ||
eta2CPE matchmatch criteria | cpe:2.3:o:siemens:sm-2556_firmware:eta2:*:*:*:*:*:*:* | ||
etls00CPE matchmatch criteria | cpe:2.3:o:siemens:sm-2556_firmware:etls00:*:*:*:*:*:*:* |
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.