Security restrictions bypass in Siemens products - CVE-2018-4858
Published: November 13, 2018 / Updated: November 14, 2018
Vulnerability identifier: #VU15898
CSH Severity: Low
CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-4858
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The vulnerability exists due to improper access control. A remote unauthenticated attacker can bypass security restrictions to exfiltrate limited data from the system or execute code with operating system user permissions.
Affected software
DIGSI 4
SICAM SCC
SICAM PQ Analyzer
SICAM PAS/PQS
DIGSI 5
IEC 61850 system configurator
SICAM SCC
SICAM PQ Analyzer
SICAM PAS/PQS
DIGSI 5
IEC 61850 system configurator
How to mitigate CVE-2018-4858
Update IEC 61850 to version 5.80, DIGSI 5 to version 7.80, DIGSI 4 to version 4.93, SICAM PAS/PQS to version 8.11, SICAM PQ Analyzer to version 3.11, SICAM SCC to version 9.02 HF3.
DIGSI 4 - update to 4.93
SICAM SCC - update to 9.02 HF3
SICAM PQ Analyzer - update to 3.11
SICAM PAS/PQS - update to 8.11
DIGSI 5 - update to 7.80
IEC 61850 system configurator - update to 5.80
SICAM SCC - update to 9.02 HF3
SICAM PQ Analyzer - update to 3.11
SICAM PAS/PQS - update to 8.11
DIGSI 5 - update to 7.80
IEC 61850 system configurator - update to 5.80