CVE-2020-36519 Security feature bypass in n/a

Medium 4.9 Published Updated

Administrators can spoof domains and bypass DMARC alignment via SPF by misusing the address rewrite feature in Mimecast Email Security.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-36519?

CVE-2020-36519 is a medium-severity vulnerability in n/a, published on 15 Mar 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Mimecast Email Security before 2020-01-10 allows any admin to spoof any domain, and pass DMARC alignment via SPF. This occurs through misuse of the address rewrite feature. (The domain being spoofed must be a customer in the Mimecast grid from which the spoofing occurs.)

Which versions are affected by CVE-2020-36519?

It affects 1 product.

Products include Mimecast Email Security.

How do I fix CVE-2020-36519?

No fix has been published for CVE-2020-36519 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-36519 being exploited?

There is no known exploitation of CVE-2020-36519 in the wild and no public exploit code.

Sources

Also known as GHSA-2x44-42qx-w2fx.

Is CVE-2020-36519 in your software?

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

Check your SBOMs for free