CWE
20
Advisory Published
Updated

CVE-2021-30004: Input Validation

First published: Fri Apr 02 2021(Updated: )

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

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
W1.fi Hostapd=2.9
W1.fi Wpa Supplicant=2.9

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Frequently Asked Questions

  • What is the severity of CVE-2021-30004?

    The severity of CVE-2021-30004 is medium with a CVSS score of 5.3.

  • Which software is affected by CVE-2021-30004?

    wpa_supplicant version 2.9 and hostapd version 2.9 are affected by CVE-2021-30004.

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2021-30004.

  • What is the Common Weakness Enumeration (CWE) ID for this vulnerability?

    The vulnerability is classified under CWE-20.

  • How can I fix CVE-2021-30004?

    To fix CVE-2021-30004, it is recommended to update to a version of wpa_supplicant or hostapd that is not affected by the vulnerability.

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