VULNERABILITY INTELLIGENCE

CVE-2019-9496

CVSS score7.5 HIGH
EPSS probability4.67%
CISA KEVNot currently listed
Published2019-04-17
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

An invalid authentication sequence could result in the hostapd process terminating due to missing state validation steps when processing the SAE confirm message when in hostapd/AP mode. All version of hostapd with SAE support are vulnerable. An attacker may force the hostapd process to terminate, performing a denial of service attack. Both hostapd with SAE support and wpa_supplicant with SAE support prior to and including version 2.7 are affected.

Weakness classification

  • CWE-287: Improper Authentication
  • CWE-642: External Control of Critical State Data

Primary references