How severe is CVE-2020-37120?

CVE-2020-37120 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-37120 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-37120?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2020-37120 have an EU (EUVD) identifier?

Yes. CVE-2020-37120 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31046.

When was CVE-2020-37120 published?

CVE-2020-37120 was published on 2026-02-05 and last updated on 2026-06-17.

CVE-2020-37120

CVE-2020-37120 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-121.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.4
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-31046
Weakness: CWE-121
Published: 2026-02-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-37120?: CVE-2020-37120 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-37120 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-37120?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2020-37120 have an EU (EUVD) identifier?: Yes. CVE-2020-37120 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31046.
When was CVE-2020-37120 published?: CVE-2020-37120 was published on 2026-02-05 and last updated on 2026-06-17.

References

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