What is CVE-2021-30004?

CVE-2021-30004 is a medium-severity vulnerability in W1.fi Hostapd, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2021-04-02.

How severe is CVE-2021-30004?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in W1.fi Hostapd

CVE-2021-30004

In wpa_supplicant and hostapd 2.9, forging attacks may occur because AlgorithmIdentifier parameters are mishandled in tls/pkcs1.c and tls/x509v3.c.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.017 (74.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

W1.fi Hostapd — versions 2.9
W1.fi Wpa_supplicant — versions 2.9
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (Patch, Vendor Advisory)
cve@mitre.org (vendor-advisory)

Frequently asked questions

What is CVE-2021-30004?: CVE-2021-30004 is a medium-severity vulnerability in W1.fi Hostapd, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2021-04-02.
How severe is CVE-2021-30004?: Medium severity. CVSS v3 base score is 5.3 out of 10.