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CVE-2021-38557

8.8 · HIGH

raspap-webgui in RaspAP 2.6.6 allows attackers to execute commands as root because of the insecure sudoers permissions.

Published Aug 24, 2021CWE-732EPSS 2.22%

Overview

CVE-2021-38557 is a high-severity vulnerability. It was published on August 24, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

raspap-webgui in RaspAP 2.6.6 allows attackers to execute commands as root because of the insecure sudoers permissions. The www-data account can execute /etc/raspap/hostapd/enablelog.sh as root with no password; however, the www-data account can also overwrite /etc/raspap/hostapd/enablelog.sh with any executable content.

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/RaspAP/raspap-webguiGitHubgithub.com/RaspAP/raspap-webgui/blob/fabc48c7daae4013b9888f266332e510b196a062/installers/raspap.sudoersRefzerosecuritypenetrationtesting.com/?page_id=306GitHubgithub.com/RaspAP/raspap-webguiGitHubgithub.com/RaspAP/raspap-webgui/blob/fabc48c7daae4013b9888f266332e510b196a062/installers/raspap.sudoersRefzerosecuritypenetrationtesting.com/?page_id=306

How CyberStrike helps

Frequently asked questions

What is CVE-2021-38557?

CVE-2021-38557 is a high-severity vulnerability. It was published on August 24, 2021 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2021-38557?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-38557?

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-2021-38557?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-38557 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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