CVE-2023-48831 Denial of service in n/a

High 7.5 Published Updated

Attackers can cause resource exhaustion in Availability Booking Calendar due to missing rate limiting, leading to 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-2023-48831?

CVE-2023-48831 is a high-severity denial of service vulnerability in n/a, published on 7 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A lack of rate limiting in pjActionAJaxSend in Availability Booking Calendar 5.0 allows attackers to cause resource exhaustion.

Weakness: CWE-400, CWE-770

Which versions are affected by CVE-2023-48831?

It affects 1 product.

Products include Phpjabbers Availability Booking Calendar.

How do I fix CVE-2023-48831?

No fix has been published for CVE-2023-48831 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-48831 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-48831 exists.

Sources

Also known as GHSA-fc6j-w9hx-r5xv.

Is CVE-2023-48831 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free