CVE-2023-37858 PHOENIX CONTACT: Use of Hard-coded Credentials in WP 6xxx Web panels

Medium 4.9 Published 9 Aug 2023 Updated 2 Aug 2024

An authenticated admin can read hardcoded keys to decrypt login passwords, exposing credentials in PHOENIX CONTACT web panels.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-37858?

CVE-2023-37858 is a medium-severity vulnerability in PHOENIX CONTACT WP 6070-WVPS, published on 9 Aug 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an authenticated, remote attacker with admin privileges is able to read hardcoded cryptographic keys allowing to decrypt an encrypted web application login password.

Weakness: CWE-311

Which versions are affected by CVE-2023-37858?

It affects 6 products.

Products include Phoenixcontact Wp 6070-Wvps Firmware, Phoenixcontact Wp 6101-Wxps Firmware, Phoenixcontact Wp 6121-Wxps Firmware, Phoenixcontact Wp 6156-Whps Firmware, Phoenixcontact Wp 6185-Whps Firmware, Phoenixcontact Wp 6215-Whps Firmware.

How do I fix CVE-2023-37858?

No fix has been published for CVE-2023-37858 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-37858 being exploited?

There is no known exploitation of CVE-2023-37858 in the wild and no public exploit code.

Sources

Also known as GHSA-xhjr-gh4r-f8xr.