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CVE-2021-20745

7.8 · HIGH

Inkdrop versions prior to v5.3.1 allows an attacker to execute arbitrary OS commands on the system where it runs by loading a file or code snippet containing an invalid iframe into Inkdrop.

Published Jun 28, 2021CWE-78EPSS 0.96%

Overview

CVE-2021-20745 is a high-severity vulnerability. It was published on June 28, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Inkdrop versions prior to v5.3.1 allows an attacker to execute arbitrary OS commands on the system where it runs by loading a file or code snippet containing an invalid iframe into Inkdrop.

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

Refdocs.inkdrop.app/releases/5.3.1Refjvn.jp/en/jp/JVN29949691/index.htmlRefwww.inkdrop.app/Refdocs.inkdrop.app/releases/5.3.1Refjvn.jp/en/jp/JVN29949691/index.htmlRefwww.inkdrop.app/

How CyberStrike helps

Frequently asked questions

What is CVE-2021-20745?

CVE-2021-20745 is a high-severity vulnerability. It was published on June 28, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2021-20745?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-20745?

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-2021-20745?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-20745 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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