← Vulnerability feed

Vulnerability record · CVE-2017-12739 · published 15 November 2017

CVE-2017-12739: Siemens sm-2556 firmware insecure default initialization vulnerability

Siemens · Sm 2556 Firmware

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 unauthenticated remote attackers to execute arbitrary code on the affected device.

9.8 CVSS 3.0 Critical EPSS 5.6% · top 7.3% CWE-1188 · Insecure default initialization
9.8CVSS 3.0 base score, v2 10.0
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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 unauthenticated remote attackers to execute arbitrary code on the affected device.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/101884 Third Party AdvisoryVDB Entry
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-164516.pdf MitigationVendor Advisory
http://www.securityfocus.com/bid/101884 Third Party AdvisoryVDB Entry
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-164516.pdf MitigationVendor Advisory

Track CVE-2017-12739 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

6.1CVE-2017-12738Siemens sm-2556 firmware cross-site scripting vulnerabilityAn issue was discovered on Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00. The in…EPSS 0.87%5.3CVE-2017-12737Siemens sm-2556 firmware information exposure vulnerabilityAn issue was discovered on Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00. The in…EPSS 1.7%5.3CVE-2025-48927TeleMessage Spring Boot Actuator heap dump endpoint exposed by insecure defaultTeleMessage through 2025-05-05 ships with Spring Boot Actuator configured to expose the /heapdump endpoint. Because this is an insecure default initi…KEVEPSS 11%analysed9.8CVE-2023-27524Apache Superset default SECRET_KEY allows session forgery and auth bypassApache Superset versions up to and including 2.0.1 ship with a default SECRET_KEY that, if left unchanged, lets an attacker forge signed session cook…KEVEPSS 97%analysed9.8CVE-2023-6448Unitronics VisiLogic default admin password in Vision and Samba PLCs/HMIsUnitronics VisiLogic before 9.9.00, used with Vision and Samba PLCs and HMIs, ships with a default administrative password. Because the credential is…KEVEPSS 2.1%analysed9.8CVE-2022-24706Apache CouchDB default install allows unauthenticated admin accessApache CouchDB before 3.2.2 ships with an insecure default initialization that lets an unauthenticated attacker reach an improperly secured installat…KEVEPSS 93%analysed9.8CVE-2020-13927Apache Airflow Experimental API missing authentication by defaultAirflow's Experimental API defaulted to allowing all requests without authentication, so any reachable instance exposed its API to unauthenticated ca…KEVEPSS 100%analysed

Source: NIST National Vulnerability Database (record CVE-2017-12739), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.