CVE-2021-38557

Name: CVE-2021-38557
Creator: NVD / NIST
Published: 2021-08-24T13:15:14.513+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 2.22%

Last modified Jun 17, 2026

CVE-2021-38557 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 2.22% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

2.22%

80.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Raspap	Raspap	2.6.6

References

https://github.com/RaspAP/raspap-webguiProduct
https://github.com/RaspAP/raspap-webgui/blob/fabc48c7daae4013b9888f266332e510b196a062/installers/raspap.sudoersThird Party Advisory
https://zerosecuritypenetrationtesting.com/?page_id=306Exploit, Third Party Advisory, URL Repurposed
https://github.com/RaspAP/raspap-webguiProduct
https://github.com/RaspAP/raspap-webgui/blob/fabc48c7daae4013b9888f266332e510b196a062/installers/raspap.sudoersThird Party Advisory
https://zerosecuritypenetrationtesting.com/?page_id=306Exploit, Third Party Advisory, URL Repurposed

Timeline

Published: Aug 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38557?

How severe is CVE-2021-38557?

CVE-2021-38557 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.22% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38557?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-38557?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST