CVE-2021-30004 — MEDIUM (5.3)

Vulnerability Description

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

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
W1.Fi	Hostapd	2.9
W1.Fi	Wpa Supplicant	2.9

Related Weaknesses (CWE)

CWE-20

References

https://security.gentoo.org/glsa/202309-16
https://w1.fi/cgit/hostap/commit/?id=a0541334a6394f8237a4393b7372693cd7e96f15PatchVendor Advisory
https://security.gentoo.org/glsa/202309-16
https://w1.fi/cgit/hostap/commit/?id=a0541334a6394f8237a4393b7372693cd7e96f15PatchVendor Advisory

FAQ

What is CVE-2021-30004?

CVE-2021-30004 is a vulnerability with a CVSS score of 5.3 (MEDIUM). In wpa_supplicant and hostapd 2.9, forging attacks may occur because AlgorithmIdentifier parameters are mishandled in tls/pkcs1.c and tls/x509v3.c.

How severe is CVE-2021-30004?

CVE-2021-30004 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-30004?

Check the references section above for vendor advisories and patch information. Affected products include: W1.Fi Hostapd, W1.Fi Wpa Supplicant.