CVE-2023-2637 Rockwell Automation FactoryTalk System Services Vulnerable To Use Of Hard-Coded Cryptographic Key

High 7.3 Published 13 Jun 2023 Updated 2 Jan 2025

A local authenticated user can exploit a hard-coded key to gain administrative privileges and modify security policies in FactoryTalk System Services.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-2637?

CVE-2023-2637 is a high-severity vulnerability in Rockwell Automation FactoryTalk System Services, published on 13 Jun 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Rockwell Automation's FactoryTalk System Services uses a hard-coded cryptographic key to generate administrator cookies. Hard-coded cryptographic key may lead to privilege escalation. This vulnerability may allow a local, authenticated non-admin user to generate an invalid administrator cookie giving them administrative privileges to the FactoryTalk Policy Manger database. This may allow the threat actor to make malicious changes to the database that will be deployed when a legitimate FactoryTalk Policy Manager user deploys a security policy model. User interaction is required for this vulnerability to be successfully exploited.

Weakness: CWE-798, CWE-321

Which versions are affected by CVE-2023-2637?

It affects 2 products.

Products include Rockwellautomation Factorytalk Policy Manager, Rockwellautomation Factorytalk System Services.

How do I fix CVE-2023-2637?

No fix has been published for CVE-2023-2637 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-2637 being exploited?

There is no known exploitation of CVE-2023-2637 in the wild and no public exploit code.

Sources

Also known as GHSA-v84g-528v-42pp.