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CVE-2020-27793

7.5 · HIGH

An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java.c.

Published Aug 19, 2022CWE-193EPSS 1.11%

Overview

CVE-2020-27793 is a high-severity vulnerability. It was published on August 19, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java.c. This could allow an attacker to cause a crash, and perform a denail of service attack.

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

GitHubgithub.com/radareorg/radare2/commit/ced0223c7a1b3b5344af315715cd28fe7c0d9ebcGitHubgithub.com/radareorg/radare2/issues/16304GitHubgithub.com/radareorg/radare2/commit/ced0223c7a1b3b5344af315715cd28fe7c0d9ebcGitHubgithub.com/radareorg/radare2/issues/16304

How CyberStrike helps

Frequently asked questions

What is CVE-2020-27793?

CVE-2020-27793 is a high-severity vulnerability. It was published on August 19, 2022 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2020-27793?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-27793?

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-2020-27793?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-27793 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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