CVE-2020-4399 Denial of service in Verify Gateway (IVG)

Medium 6.5 Published Updated

An authenticated user can cause a denial of service against the IBM Verify Gateway server by sending malformed requests.

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-2020-4399?

CVE-2020-4399 is a medium-severity denial of service vulnerability in IBM Verify Gateway (IVG), published on 22 Jul 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM Verify Gateway (IVG) 1.0.0 and 1.0.1 could allow an authenticated user to send malformed requests to cause a denial of service against the server. IBM X-Force ID: 179476.

Which versions are affected by CVE-2020-4399?

It affects 1 product.

Products include Ibm Verify Gateway.

How do I fix CVE-2020-4399?

No fix has been published for CVE-2020-4399 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-2020-4399 being exploited?

There is no known exploitation of CVE-2020-4399 in the wild and no public exploit code.

Sources

Also known as GHSA-4pc7-f2vc-2rv4.

Is CVE-2020-4399 in your software?

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

Check your SBOMs for free