Vulnerability in W1.fi Hostapd

CVE-2022-23304

The implementations of EAP-pwd in hostapd before 2.10 and wpa_supplicant before 2.10 are vulnerable to side-channel attacks as a result of cache access patterns. NOTE: this issue exists because of an incomplete fix for CVE-2019-9495.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.0th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-23304: held from 0.019 to 0.019.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-23304?
CVE-2022-23304 is a critical-severity vulnerability in W1.fi Hostapd, classified under Observable Discrepancy. CVSS score: 9.8/10. Published 2022-01-17.
How severe is CVE-2022-23304?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-23304 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.