Vulnerability Name:

CVE-2017-12739

Assigned:2017-08-09
Published:2017-11-14
Updated:2017-11-30
Summary: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 v3 Severity:9.8 Critical (CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.6 High (Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-264
References:Source: BID
Type: VENDOR_ADVISORY
101884

Source: XF
Type: UNKNOWN
siemens-cve201712739-code-exec(134827)

Source: CONFIRM
Type: VENDOR_ADVISORY
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-164516.pdf

Vulnerable Configuration:Configuration 1:
  • cpe:/o:siemens:sm-2556_firmware:dnpi00:*:*:*:*:*:*:*
  • OR cpe:/o:siemens:sm-2556_firmware:enos00:*:*:*:*:*:*:*
  • OR cpe:/o:siemens:sm-2556_firmware:erac00:*:*:*:*:*:*:*
  • OR cpe:/o:siemens:sm-2556_firmware:eta2:*:*:*:*:*:*:*
  • OR cpe:/o:siemens:sm-2556_firmware:etls00:*:*:*:*:*:*:*
  • OR cpe:/o:siemens:sm-2556_firmware:modi00:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:sm-2556:-:*:*:*:*:*:*:*

  • Denotes that component is vulnerable
    BACK
    siemens sm-2556_firmware dnpi00
    siemens sm-2556_firmware enos00
    siemens sm-2556_firmware erac00
    siemens sm-2556_firmware eta2
    siemens sm-2556_firmware etls00
    siemens sm-2556_firmware modi00
    siemens sm-2556 -