CVE-2020-37120 Rubo DICOM Viewer 2.0 - Buffer Overflow (SEH)

High 8.4 Published Updated

Attackers can execute arbitrary code by exploiting a buffer overflow in the DICOM server name field of Rubo DICOM Viewer.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-37120?

CVE-2020-37120 is a high-severity memory corruption vulnerability in Rubo DICOM Viewer, published on 5 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Rubo DICOM Viewer 2.0 contains a buffer overflow vulnerability in the DICOM server name input field that allows attackers to overwrite Structured Exception Handler (SEH). Attackers can craft a malicious text file with carefully constructed payload to execute arbitrary code by overwriting SEH and triggering remote code execution.

Weakness: CWE-121

Which versions are affected by CVE-2020-37120?

How do I fix CVE-2020-37120?

No fix has been published for CVE-2020-37120 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-37120 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37120 exists.

Sources

Also known as GHSA-r9rw-vq28-jhqh.

Is CVE-2020-37120 in your software?

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

Check your SBOMs for free