CVE-2020-7587 Denial of service in Opcenter Execution Discrete

Q: Is CVE-2020-7587 being exploited?

There is no known exploitation of CVE-2020-7587 in the wild and no public exploit code.

Q: How do I fix CVE-2020-7587?

No fix has been published for CVE-2020-7587 yet. Limit exposure of the affected software until one is available.

High 8.2 Published 14 Jul 2020 Updated 4 Aug 2024

Remote attackers can cause service restarts and potential information leaks by sending crafted packets to Siemens industrial software.

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-2020-7587?

CVE-2020-7587 is a high-severity denial of service vulnerability in Siemens Opcenter Execution Discrete, published on 14 Jul 2020. 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 Opcenter Execution Discrete (All versions < V3.2), Opcenter Execution Foundation (All versions < V3.2), Opcenter Execution Process (All versions < V3.2), Opcenter Intelligence (All versions < V3.3), Opcenter Quality (All versions < V11.3), Opcenter RD&L (V8.0), SIMATIC IT LMS (All versions < V2.6), SIMATIC IT Production Suite (All versions < V8.0), SIMATIC Notifier Server for Windows (All versions), SIMATIC PCS neo (All versions < V3.0 SP1), SIMATIC STEP 7 (TIA Portal) V15 (All versions < V15.1 Update 5), SIMATIC STEP 7 (TIA Portal) V16 (All versions < V16 Update 2), SIMOCODE ES V15.1 (All versions < V15.1 Update 4), SIMOCODE ES V16 (All versions < V16 Update 1), Soft Starter ES V15.1 (All versions < V15.1 Update 3), Soft Starter ES V16 (All versions < V16 Update 1). Sending multiple specially crafted packets to the affected service could cause a partial remote denial-of-service, that would cause the service to restart itself. On some cases the vulnerability could leak random information from the remote service.

Weakness: CWE-400

Which versions are affected by CVE-2020-7587?

It affects 13 products.

Products include Siemens Opcenter Execution Discrete, Siemens Opcenter Execution Foundation, Siemens Opcenter Execution Process, Siemens Opcenter Intelligence, Siemens Opcenter Quality, Siemens Opcenter Rd\&l and 7 more.

How do I fix CVE-2020-7587?

No fix has been published for CVE-2020-7587 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-2020-7587 being exploited?

There is no known exploitation of CVE-2020-7587 in the wild and no public exploit code.

Sources

Also known as GHSA-pjx6-jj7c-74m7.