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CVE-2021-22309

7.5 · HIGH

There is insecure algorithm vulnerability in Huawei products.

Published Mar 22, 2021CWE-330EPSS 0.79%

Overview

CVE-2021-22309 is a high-severity vulnerability. It was published on March 22, 2021 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

There is insecure algorithm vulnerability in Huawei products. A module uses less random input in a secure mechanism. Attackers can exploit this vulnerability by brute forcing to obtain sensitive message. This can lead to information leak. Affected product versions include:USG9500 versions V500R001C30SPC200, V500R001C60SPC500,V500R005C00SPC200;USG9520 versions V500R005C00;USG9560 versions V500R005C00;USG9580 versions V500R005C00.

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.huawei.com/en/psirt/security-advisories/huawei-sa-20210202-01-fw-enRefwww.huawei.com/en/psirt/security-advisories/huawei-sa-20210202-01-fw-en

How CyberStrike helps

Frequently asked questions

What is CVE-2021-22309?

CVE-2021-22309 is a high-severity vulnerability. It was published on March 22, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-22309?

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-2021-22309?

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-2021-22309?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-22309 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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