Path traversal in Siemens products - CVE-2018-13812

Vulnerability identifier: #VU15887

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-13812

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to directory traversal. A remote attacker with network access to the integrated web server can conduct directory traversal attack and download of arbitrary files from the device.

Siemens SIMATIC WinCC
SIMATIC HMI MP Mobile Panel
SIMATIC HMI OP
SIMATIC HMI MP
SIMATIC HMI TP
SIMATIC WinCC Runtime Advanced
SIMATIC HMI KTP900F
SIMATIC HMI KTP900
SIMATIC HMI KTP700F
SIMATIC HMI KTP700
SIMATIC HMI KTP400F
SIMATIC HMI Comfort Outdoor Panels 7” & 15”
SIMATIC HMI Comfort Panels 4”-22”
SIMATIC WinCC Runtime Professional

Update the affected products to version 15 Update 4.

Siemens SIMATIC WinCC - update to 15 Update 4
SIMATIC HMI MP Mobile Panel - update to 15 Update 4
SIMATIC HMI OP - update to 15 Update 4
SIMATIC HMI MP - update to 15 Update 4
SIMATIC HMI TP - update to 15 Update 4
SIMATIC WinCC Runtime Advanced - update to 15 Update 4
SIMATIC HMI KTP900F - update to 15 Update 4
SIMATIC HMI KTP900 - update to 15 Update 4
SIMATIC HMI KTP700F - update to 15 Update 4
SIMATIC HMI KTP700 - update to 15 Update 4
SIMATIC HMI KTP400F - update to 15 Update 4
SIMATIC HMI Comfort Outdoor Panels 7” & 15” - update to 15 Update 4
SIMATIC HMI Comfort Panels 4”-22” - update to 15 Update 4
SIMATIC WinCC Runtime Professional - update to 15 Update 4

• https://ics-cert.us-cert.gov/advisories/ICSA-18-317-08

• Multiple vulnerabilities in Siemens SIMATIC panels