Security restrictions bypass in Siemens products
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-4858 |
| CWE-ID | CWE-284 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
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 |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Security restrictions bypass
EUVDB-ID: #VU15898
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: CVE-2018-4858
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe 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.
MitigationUpdate 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: before 4.93
SICAM SCC: before 9.02 HF3
SICAM PQ Analyzer: before 3.11
SICAM PAS/PQS: before 8.11
DIGSI 5: before 7.80
IEC 61850 system configurator: before 5.80
External linkshttp://ics-cert.us-cert.gov/advisories/ICSA-18-317-01
Q & A
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.
