CVE-2019-10931 Denial of service in All other SIPROTEC 5 device types with CPU variants CP300 and CP100 and the respective Ethernet communication modules
Attackers can cause a denial of service on Siemens SIPROTEC 5 devices by sending specially crafted packets to port 443.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-10931?
CVE-2019-10931 is a high-severity denial of service vulnerability in Siemens AG All other SIPROTEC 5 device types with CPU variants CP300 and CP100 and the respective Ethernet communication modules, published on 11 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in All other SIPROTEC 5 device types with CPU variants CP300 and CP100 and the respective Ethernet communication modules (All versions ), DIGSI 5 engineering software (All versions < V7.90), SIPROTEC 5 device types 6MD85, 6MD86, 6MD89, 7UM85, 7SA87, 7SD87, 7SL87, 7VK87, 7SA82, 7SA86, 7SD82, 7SD86, 7SL82, 7SL86, 7SJ86, 7SK82, 7SK85, 7SJ82, 7SJ85, 7UT82, 7UT85, 7UT86, 7UT87 and 7VE85 with CPU variants CP300 and CP100 and the respective Ethernet communication modules (All versions < V7.90), SIPROTEC 5 device types 7SS85 and 7KE85 (All versions < V8.01), SIPROTEC 5 device types with CPU variants CP200 and the respective Ethernet communication modules (All versions < V7.59), SIPROTEC 5 relays with CPU variants CP200 and the respective Ethernet communication modules (All versions < V7.59). Specially crafted packets sent to port 443/TCP could cause a Denial of Service condition.
Weakness: CWE-248
Which versions are affected by CVE-2019-10931?
It affects 2 products.
Products include Siemens Digsi 5 Engineering Software, Siemens Siprotec 5 Digsi Device Driver.
How do I fix CVE-2019-10931?
No fix has been published for CVE-2019-10931 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-10931 being exploited?
There is no known exploitation of CVE-2019-10931 in the wild and no public exploit code.
Other vulnerabilities in Siemens AG All other SIPROTEC 5 device types with CPU variants CP300 and CP100 and the respective Ethernet communication modules
Sources
Also known as GHSA-jm37-cfmc-68fh.