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CVE-2020-36855

5.3 · MEDIUM

A security vulnerability has been detected in DCMTK up to 3.6.5.

Published Oct 21, 2025CWE-119EPSS 0.25%

Overview

CVE-2020-36855 is a medium-severity vulnerability. It was published on October 21, 2025 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A security vulnerability has been detected in DCMTK up to 3.6.5. The affected element is the function parseQuota of the component dcmqrscp. The manipulation of the argument StorageQuota leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. Upgrading to version 3.6.6 is sufficient to fix this issue. The identifier of the patch is 0fef9f02e. It is recommended to upgrade the affected component.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refshimo.im/docs/rp3OMVMDPKtjn0km/Refvuldb.com/?ctiid.329028Refvuldb.com/?id.329028Refvuldb.com/?submit.673137Refshimo.im/docs/rp3OMVMDPKtjn0km/read

How CyberStrike helps

Frequently asked questions

What is CVE-2020-36855?

CVE-2020-36855 is a medium-severity vulnerability. It was published on October 21, 2025 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2020-36855?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-36855?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-36855?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-36855 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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