CVE-2020-15782 Memory corruption in SIMATIC Drive Controller family
Remote unauthenticated attackers can bypass memory protection to write arbitrary code or read sensitive data on Siemens industrial controllers.
- 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-2020-15782?
CVE-2020-15782 is a critical memory corruption vulnerability in Siemens SIMATIC Drive Controller family, published on 28 May 2021. 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 SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.5.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.9.2), SIMATIC S7-1500 Software Controller (All versions < V21.9), SIMATIC S7-PLCSIM Advanced (All versions < V4.0), SINAMICS PERFECT HARMONY GH180 Drives (Drives manufactured before 2021-08-13), SINUMERIK MC (All versions < V6.15), SINUMERIK ONE (All versions < V6.15). Affected devices are vulnerable to a memory protection bypass through a specific operation. A remote unauthenticated attacker with network access to port 102/tcp could potentially write arbitrary data and code to protected memory areas or read sensitive data to launch further attacks.
Weakness: CWE-119
Which versions are affected by CVE-2020-15782?
It affects 6 products.
Products include Siemens Et 200sp Open Controller Firmware, Siemens S7-1200 Cpu Firmware, Siemens S7-1500 Cpu Firmware, Siemens Simatic Driver Controller Firmware, Siemens Simatic S7-1500 Software Controller, Siemens Simatic S7-Plcsim Advanced.
How do I fix CVE-2020-15782?
No fix has been published for CVE-2020-15782 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-15782 being exploited?
There is no known exploitation of CVE-2020-15782 in the wild and no public exploit code.
Sources
Also known as GHSA-jx94-83cv-56j7.