RCE in Siemens Sm-2556
CVE-2017-12739
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.056 (92.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.056 · newest: 0.056 · 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)
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-2017-12739?
- CVE-2017-12739 is a critical-severity vulnerability in Siemens Sm-2556, classified under Initialization of a Resource with an Insecure Default. CVSS score: 9.8/10. Published 2017-11-15.
- How severe is CVE-2017-12739?
- Critical severity. CVSS v3 base score is 9.8 out of 10.