How severe is CVE-2021-38557?

CVE-2021-38557 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-38557 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38557?

CVE-2021-38557 affects Raspap. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38557?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-38557 published?

CVE-2021-38557 was published on 2021-08-24 and last updated on 2026-06-17.

CVE-2021-38557

CVE-2021-38557 is a high-severity vulnerability in Raspap with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Raspap
Published: 2021-08-24
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-38557?: 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.
How severe is CVE-2021-38557?: CVE-2021-38557 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-38557 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38557?: CVE-2021-38557 affects Raspap. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38557?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-38557 published?: CVE-2021-38557 was published on 2021-08-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:raspap:raspap:2.6.6:*:*:*:*:*:*:*

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