Denial of service in Siemens SIPROTEC 4 and SIPROTEC Compact
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2015-5374 |
| CWE-ID | CWE-20 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
SIPROTEC 4 Hardware solutions / Security hardware applicances Siprotec Compact Hardware solutions / Security hardware applicances |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Denial of service
EUVDB-ID: #VU7379
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2015-5374
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to an error in the EN100 module. A remote attacker can send specially crafted packets to UDP port 50000 and cause the system to crash.
Successful exploitation of the vulnerability results in denial of service.
Update SIPROTEC 4 to version 4.25.
Update SIPROTEC Compact to version 4.25.
SIPROTEC 4: 4.24
Siprotec Compact: 4.24
External linkshttp://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-732541.pdf
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. However, proof of concept for this vulnerability is available.
