Vulnerability Monitor

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CVE-2017-12738

An issue was discovered on Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00. The integrated web server (port 80/tcp) of the affected devices could allow Cross-Site Scripting (XSS) attacks if unsuspecting users are tricked into clicking on a malicious link.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.1, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 2 products from siemens, from siemens organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2017, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2017-11-15T08:29:00.267

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	siemens	sm-2556_firmware	dnpi00	Yes
Operating System	siemens	sm-2556_firmware	enos00	Yes
Operating System	siemens	sm-2556_firmware	erac00	Yes
Operating System	siemens	sm-2556_firmware	eta2	Yes
Operating System	siemens	sm-2556_firmware	etls00	Yes
Operating System	siemens	sm-2556_firmware	modi00	Yes
Hardware	siemens	sm-2556	-	No

References

http://www.securityfocus.com/bid/101884 Third Party Advisory, VDB Entry ([email protected])
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-164516.pdf Mitigation, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/101884 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-164516.pdf Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For siemens's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.