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Vulnerability record · CVE-2021-38557 · published 24 August 2021

CVE-2021-38557: Raspap incorrect permission assignment vulnerability

Raspap · Raspap

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.

8.8 CVSS 3.1 High EPSS 2.2% · top 18.0% CWE-732 · Incorrect permission assignment
8.8CVSS 3.1 base score, v2 9.0
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/RaspAP/raspap-webgui Product
https://github.com/RaspAP/raspap-webgui/blob/fabc48c7daae4013b9888f266332e510b196a062/installers/raspap.sudoers Third Party Advisory
https://zerosecuritypenetrationtesting.com/?page_id=306 ExploitThird Party AdvisoryURL Repurposed
https://github.com/RaspAP/raspap-webgui Product
https://github.com/RaspAP/raspap-webgui/blob/fabc48c7daae4013b9888f266332e510b196a062/installers/raspap.sudoers Third Party Advisory
https://zerosecuritypenetrationtesting.com/?page_id=306 ExploitThird Party AdvisoryURL Repurposed

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-38557), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.