What is CVE-2017-12737?

CVE-2017-12737 is a medium-severity vulnerability in Siemens Sm-2556, classified under Information Disclosure. CVSS score: 5.3/10. Published 2017-11-15.

How severe is CVE-2017-12737?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Siemens Sm-2556

CVE-2017-12737

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 obtain sensitive device information over the network.

Vulnerability class: Information Disclosure

Published 2017-11-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.017 (76.9th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Siemens Sm-2556
Siemens Sm-2556 Firmware — versions dnpi00, enos00, erac00
Siemens Sicam Rtus Sm-2556 Com Modules With The Firmware Variants Enos00, Erac00, Eta2, Etls00, Modi00, And Dnpi00 — versions Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-164516.pdf (Mitigation, Vendor Advisory)
www.securityfocus.com/bid/101884 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-12737?: CVE-2017-12737 is a medium-severity vulnerability in Siemens Sm-2556, classified under Information Disclosure. CVSS score: 5.3/10. Published 2017-11-15.
How severe is CVE-2017-12737?: Medium severity. CVSS v3 base score is 5.3 out of 10.