CVE-2021-30004

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.26%
Vendor Advisory gentoo.org Vendor Advisory w1.fi
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://w1.fi/cgit/hostap/commit/?id=a0541334a6394f8237a4393b7372693cd7e96f15 patch vendor advisory
https://security.gentoo.org/glsa/202309-16 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-30004?
CVE-2021-30004 has been scored as a medium severity vulnerability.
How to fix CVE-2021-30004?
To fix CVE-2021-30004, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-30004 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-30004 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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