CVE-2023-37862 PHOENIX CONTACT: Missing Authorization in WP 6xxx Web panels

High 8.2 Published 9 Aug 2023 Updated 10 Oct 2024

Unauthenticated attackers can access HTTP API upload functions, potentially causing SSL errors and partial denial of service.

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-2023-37862?

CVE-2023-37862 is a high-severity missing authorization vulnerability in PHOENIX CONTACT WP 6070-WVPS, published on 9 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an unauthenticated remote attacker can access upload-functions of the HTTP API. This might cause certificate errors for SSL-connections and might result in a partial denial-of-service.

Weakness: CWE-862

Which versions are affected by CVE-2023-37862?

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-2023-37862?

No fix has been published for CVE-2023-37862 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-37862 being exploited?

There is no known exploitation of CVE-2023-37862 in the wild and no public exploit code.

Sources

Also known as GHSA-4xm8-vmfg-3fch.