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CVE-2021-26621

8.1 · HIGH

An Buffer Overflow vulnerability leading to remote code execution was discovered in MEX01.

Published Mar 25, 2022CWE-120EPSS 1.74%

Overview

CVE-2021-26621 is a high-severity vulnerability. It was published on March 25, 2022 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An Buffer Overflow vulnerability leading to remote code execution was discovered in MEX01. Remote attackers can use this vulnerability by using the property that the target program copies parameter values to memory through the strcpy() function.

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

Refwww.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66579Refwww.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66579

How CyberStrike helps

Frequently asked questions

What is CVE-2021-26621?

CVE-2021-26621 is a high-severity vulnerability. It was published on March 25, 2022 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2021-26621?

This vulnerability has a CVSS 3.1 base score of 8.1, 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-2021-26621?

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-2021-26621?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-26621 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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