CVE-2020-5129 Denial of service in SMA1000

High 7.5 Published Updated

An unauthenticated remote attacker can crash the HTTP server, causing a denial of service on SonicWall SMA1000 devices.

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-2020-5129?

CVE-2020-5129 is a high-severity denial of service vulnerability in SonicWall SMA1000, published on 26 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the SonicWall SMA1000 HTTP Extraweb server allows an unauthenticated remote attacker to cause HTTP server crash which leads to Denial of Service. This vulnerability affected SMA1000 Version 12.1.0-06411 and earlier.

Weakness: CWE-444, CWE-248

Which versions are affected by CVE-2020-5129?

It affects 1 product.

Products include Sonicwall Sma1000 Firmware.

How do I fix CVE-2020-5129?

No fix has been published for CVE-2020-5129 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-2020-5129 being exploited?

There is no known exploitation of CVE-2020-5129 in the wild and no public exploit code.

Sources

Also known as GHSA-mg4p-5r5g-f6x9.

Is CVE-2020-5129 in your software?

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

Check your SBOMs for free