PT-2017-3222 · Embedthis+1 · Goahead Web Server+1

Published 2017-11-14 · Updated 2019-10-03 · CVE-2017-12739

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00

Description The issue is related to the integrated web server of the affected devices, which could allow unauthenticated remote attackers to execute arbitrary code on the device. This is due to insufficient access control in the GoAhead web server of the COM module.

Recommendations For Siemens SICAM RTUs SM-2556 COM Modules with the firmware variants ENOS00, ERAC00, ETA2, ETLS00, MODi00, and DNPi00, consider restricting access to the integrated web server on port 80/tcp until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-264

CWE-1188

Related Identifiers

BDU:2017-02655

CVE-2017-12739

Affected Products

Goahead Web Server

Siemens Sicam Rtus Sm-2556 Com Modules

References · 5

• https://bdu.fstec.ru/vul/2017-02655 · Security Note
• https://siemens.com/cert/pool/cert/siemens_security_advisory_ssa-164516.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-12739 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-12739 · Security Note
• http://securityfocus.com/bid/101884 · Note