CVE-2019-9496
7.5
HIGH
CVSS 3.1
EPSS 4.9%
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.
How to fix CVE-2019-9496
To remediate CVE-2019-9496, upgrade the affected package to a fixed version below.
- —upgrade to 2.8-r0 or later
- —upgrade to 2:2.7+git20190128+0c1e29f-4 or later
Is CVE-2019-9496 being exploited?
Low — EPSS is 4.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.8-r0
- from 0, < 2:2.7+git20190128+0c1e29f-4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |