CVE-2023-23560 Server-side request forgery in n/a

Critical 9.8 Published 23 Jan 2023 Updated 2 Apr 2025

Attackers can exploit a lack of input validation in Lexmark products to perform Server-Side Request Forgery, potentially accessing internal resources.

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-2023-23560?

CVE-2023-23560 is a critical server-side request forgery vulnerability in n/a, published on 23 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In certain Lexmark products through 2023-01-12, SSRF can occur because of a lack of input validation.

Weakness: CWE-918, CWE-20

Which versions are affected by CVE-2023-23560?

It affects 128 products.

Products include Lexmark B2236 Firmware, Lexmark B2338 Firmware, Lexmark B2442 Firmware, Lexmark B2546 Firmware, Lexmark B2650 Firmware, Lexmark B2865 Firmware and 122 more.

How do I fix CVE-2023-23560?

No fix has been published for CVE-2023-23560 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2023-23560 being exploited?

There is no known exploitation of CVE-2023-23560 in the wild and no public exploit code.

Sources

Also known as GHSA-fj75-7hqx-qp2c.