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CVE-2021-21741

9.8 · CRITICAL

There is a command execution vulnerability in a ZTE conference management system.

Published Aug 30, 2021CWE-502EPSS 1.94%

Overview

CVE-2021-21741 is a critical-severity vulnerability. It was published on August 30, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

There is a command execution vulnerability in a ZTE conference management system. As some services are enabled by default, the attacker could exploit this vulnerability to execute arbitrary commands by sending specific serialization command.

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

Refsupport.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1018424Refsupport.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1018424

How CyberStrike helps

Frequently asked questions

What is CVE-2021-21741?

CVE-2021-21741 is a critical-severity vulnerability. It was published on August 30, 2021 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2021-21741?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-21741?

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-2021-21741?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-21741 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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