Vulnerability Name:

CVE-2017-12737

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 obtain sensitive device information over the network.
CVSS v3 Severity:5.3 Medium (CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.7 Medium (Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/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): None
Availibility (A): None
9.1 Critical (CCN CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
8.0 High (CCN Temporal CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/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): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
References:Source: BID
Type: VENDOR_ADVISORY
101884

Source: XF
Type: UNKNOWN
siemens-cve201712737-sec-bypass(134825)

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 -