Vulnerability Report

CVE-2022-23303

Title: hostapd and wpa_supplicant SAE implementations vulnerable to side channel attacks

Information Disclosure

Proof Of Concept

PoC Available for CVE-2022-23303

CWE Category CWE-203
Published Date Jan 17, 2022
Modified Date Jul 14, 2026
Exploit Status Available
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
3.05%

Vulnerability Summary

CVE-2022-23303: 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.

Impacted Vendors

W
wpa_supplicant 1
H
hostapd 1
W
w1.fi 2

Reference Links

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPDHU5MV464CZBPX7N2SNMUYP6DFIBZL/ https://security.gentoo.org/glsa/202309-16 https://w1.fi/security/2022-1/ https://lists.debian.org/debian-lts-announce/2025/04/msg00019.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPDHU5MV464CZBPX7N2SNMUYP6DFIBZL/ https://security.gentoo.org/glsa/202309-16 https://w1.fi/security/2022-1/
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-23303 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/web-logs2/hostapd_mirror
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.