Vulnerability identifier: #VU15898
Vulnerability risk: Low
CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
DIGSI 4
Hardware solutions /
Security hardware applicances
SICAM SCC
Hardware solutions /
Security hardware applicances
SICAM PQ Analyzer
Hardware solutions /
Security hardware applicances
SICAM PAS/PQS
Hardware solutions /
Security hardware applicances
DIGSI 5
Hardware solutions /
Security hardware applicances
IEC 61850 system configurator
Hardware solutions /
Security hardware applicances
Vendor: Siemens
Description
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.
Mitigation
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.
Vulnerable software versions
DIGSI 4: All versions
SICAM SCC: All versions
SICAM PQ Analyzer: All versions
SICAM PAS/PQS: All versions
DIGSI 5: All versions
IEC 61850 system configurator: All versions
External links
http://ics-cert.us-cert.gov/advisories/ICSA-18-317-01
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.