CVE-2018-5545 Code injection in F5 WebSafe Alert Server

High 8.8 Published 13 Sep 2018 Updated 17 Sep 2024

Authenticated attackers can execute arbitrary code on F5 WebSafe Alert Server via crafted payloads, requiring immediate patching.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-5545?

CVE-2018-5545 is a high-severity code injection vulnerability in F5 WebSafe Alert Server, published on 13 Sep 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

On F5 WebSafe Alert Server 1.0.0-4.2.6, a malicious, authenticated user can execute code on the alert server by using a maliciously crafted payload.

Weakness: CWE-20

Which versions are affected by CVE-2018-5545?

It affects 1 product.

Products include F5 Websafe Alert Server.

How do I fix CVE-2018-5545?

No fix has been published for CVE-2018-5545 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2018-5545 being exploited?

There is no known exploitation of CVE-2018-5545 in the wild and no public exploit code.

Sources

Also known as GHSA-mxr4-27j9-9x37.