CVE-2019-9498: The implementations of EAP-PWD in hostapd EAP Server do not validate the scalar and element values in EAP-pwd-Commit
Last updated 25 August 2025
Other sources
The implementations of EAP-PWD in hostapd EAP Server, when built against a crypto library missing explicit validation on imported elements, do not validate the scalar and element values in EAP-pwd-Commit. An attacker may be able to use invalid scalar/element values to complete authentication, gaining session key and network access without needing or learning the password. Both hostapd with SAE support and wpasupplicant with SAE support prior to and including version 2.4 are affected. Both hostapd with EAP-pwd support and wpasupplicant with EAP-pwd support prior to and including version 2.7 are affected.
— Launchpad
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is CVE-2019-9498?
CVE-2019-9498 is a vulnerability that affects the implementations of EAP-PWD in hostapd EAP Server.
What is the severity of CVE-2019-9498?
The severity of CVE-2019-9498 is high, with a CVSS score of 8.1.
How does CVE-2019-9498 impact the affected software?
CVE-2019-9498 allows an attacker to complete authentication and gain unauthorized access to the affected software.
How can I fix CVE-2019-9498?
To fix CVE-2019-9498, update the affected software to the recommended versions provided by the vendor.
Where can I find more information about CVE-2019-9498?
You can find more information about CVE-2019-9498 in the references provided.