What is CVE-2020-37120?

CVE-2020-37120 is a critical-severity vulnerability in Rubo Medical Imaging Dicom Viewer, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-02-05.

How severe is CVE-2020-37120?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Rubo Medical Imaging Dicom Viewer

CVE-2020-37120

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.

Vulnerability class: Buffer Overflow

Published 2026-02-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (39.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Rubo Medical Imaging Dicom Viewer — versions 2.0

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

www.exploit-db.com/exploits/48351 (exploit)
web.archive.org/web/20200109194722/http://www.rubomedical.com/dicom_viewer.html (product)
www.vulncheck.com/advisories/rubo-dicom-viewer-buffer-overflow-seh (third-party-advisory)

Frequently asked questions

What is CVE-2020-37120?: CVE-2020-37120 is a critical-severity vulnerability in Rubo Medical Imaging Dicom Viewer, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-02-05.
How severe is CVE-2020-37120?: Critical severity. CVSS v3 base score is 9.8 out of 10.