What’s Vulnerable › Vulnerabilities
CVE-2019-9499: The implementations of EAP-PWD in wpa_supplicant EAP Peer do not validate the scalar and element values in EAP-pwd-Commit
- Severity: high (CVSS 8.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2019-04-17 · updated 2026-06-17
- Weakness: CWE-346
Description
The implementations of EAP-PWD in wpa_supplicant EAP Peer, 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 complete authentication, session key and control of the data connection with a client. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.4 are affected. Both hostapd with EAP-pwd support and wpa_supplicant with EAP-pwd support prior to and including version 2.7 are affected.
Affected products
- Debian Linux: 8.0
- Fedoraproject Fedora: 28, 29, 30
- FreeBSD: from 11.0 through 11.1; 11.2, 11.2-p13, 11.2-p2, 11.2-p3, 11.2-p4, 11.2-p5 (+8)
- openSUSE Backports Sle: 15.0, 15.0-sp1
- openSUSE Leap: 15.1
- Synology RADIUS Server: 3.0
- Synology Router Manager (SRM): 1.2
- w1.fi hostapd: through 2.4; from 2.5 through 2.7
- Canonical Ltd. wpa_supplicant: through 2.4; from 2.5 through 2.7
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html
- https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SVMJOFEYBGXZLFF5IOLW67SSOPKFEJP3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDOZGR3T7FVO5JSZWK2QPR7AOFIEJTIZ/
- https://seclists.org/bugtraq/2019/May/40
- https://security.FreeBSD.org/advisories/FreeBSD-SA-19:03.wpa.asc
- https://w1.fi/security/2019-4/
- https://www.synology.com/security/advisory/Synology_SA_19_16
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00021.html
- https://lists.debian.org/debian-lts-announce/2019/07/msg00030.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/56OBBOJJSKRTDGEXZOVFSTP4HDSDBLAE/
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