CVE-2020-7581 Privilege escalation in Opcenter Execution Discrete

Q: Is CVE-2020-7581 being exploited?

There is no known exploitation of CVE-2020-7581 in the wild and no public exploit code.

Q: How do I fix CVE-2020-7581?

No fix has been published for CVE-2020-7581 yet. Limit exposure of the affected software until one is available.

Medium 6.7 Published 14 Jul 2020 Updated 4 Aug 2024

Local attackers with administrative privileges can execute code with SYSTEM level privileges due to unquoted service paths in Siemens industrial applications.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-7581?

CVE-2020-7581 is a medium-severity vulnerability in Siemens Opcenter Execution Discrete, published on 14 Jul 2020. It can only be exploited from the same machine or local network, 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 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). A component within the affected application calls a helper binary with SYSTEM privileges during startup while the call path is not quoted. This could allow a local attacker with administrative privileges to execute code with SYSTEM level privileges.

Weakness: CWE-428

Which versions are affected by CVE-2020-7581?

It affects 11 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 5 more.

How do I fix CVE-2020-7581?

No fix has been published for CVE-2020-7581 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-7581 being exploited?

There is no known exploitation of CVE-2020-7581 in the wild and no public exploit code.

Sources

Also known as GHSA-6pc5-ccr3-mpqp.