CVE-2022-23303

CRITICAL

hostapd and wpa_supplicant < 2.10 - Side Channel Attack via SAE Cache Access Patterns

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-23303. PoCs published by web-logs2.

AI-analyzed exploit summary This repository contains a proof-of-concept for CVE-2022-23303, demonstrating how EAP peer and server code from wpa_supplicant/hostapd can be used as a library. The example program initializes both an EAP server and an EAP peer entities and runs through an EAP-PEAP/MSCHAPv2 authentication.

Description

The implementations of SAE 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-2019-9494.

Exploits (1)

nomisec WORKING POC
by web-logs2 · poc
https://github.com/web-logs2/hostapd_mirror

This repository contains a proof-of-concept for CVE-2022-23303, demonstrating how EAP peer and server code from wpa_supplicant/hostapd can be used as a library. The example program initializes both an EAP server and an EAP peer entities and runs through an EAP-PEAP/MSCHAPv2 authentication.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: wpa_supplicant and hostapd
No auth needed
Prerequisites: Access to the target network · Ability to run the example program
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4

Scores

CVSS v3 9.8
EPSS 0.0294
EPSS Percentile 85.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-203
Status published
Products (3)
fedoraproject/fedora 35
w1.fi/hostapd < 2.10
w1.fi/wpa_supplicant < 2.10
Published Jan 17, 2022
Tracked Since Feb 18, 2026