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CVE-2022-23822

6.8 · MEDIUM

In this physical attack, an attacker may potentially exploit the Zynq-7000 SoC First Stage Boot Loader (FSBL) by bypassing authentication and loading a malicious image onto the device.

Published Apr 27, 2022CWE-863EPSS 0.26%

Overview

CVE-2022-23822 is a medium-severity vulnerability. It was published on April 27, 2022 and has a CVSS 3.1 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

In this physical attack, an attacker may potentially exploit the Zynq-7000 SoC First Stage Boot Loader (FSBL) by bypassing authentication and loading a malicious image onto the device. This in turn may further allow the attacker to perform additional attacks such as such as using the device as a decryption oracle. An anticipated mitigation via a 2022.1 patch will resolve the issue.

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/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsblRefsupport.xilinx.com/s/article/76974GitHubgithub.com/Xilinx/embeddedsw/tree/master/lib/sw_apps/zynq_fsblRefsupport.xilinx.com/s/article/76974

How CyberStrike helps

Frequently asked questions

What is CVE-2022-23822?

CVE-2022-23822 is a medium-severity vulnerability. It was published on April 27, 2022 and has a CVSS 3.1 base score of 6.8 (MEDIUM).

How severe is CVE-2022-23822?

This vulnerability has a CVSS 3.1 base score of 6.8, rated MEDIUM. 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-2022-23822?

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-2022-23822?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-23822 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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