CVE-2022-23304
Critical · CVSS 9.8hostapd / wpa_supplicant — EAP-pwd side-channel attack via cache access patterns (CWE-203 Observable Timing Discrepancy)
- CVSS
- 9.8
- nvd
- EPSS
- 1.90%
- 77th pct
- KEV
- No
- Class
- oss containerizable
- CWE-203
Description
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.
Search profile — drives PoC discovery
Symbols eap_pwdEAP-pwdeap_pwd_processcrypto_ec_point_muleap_pwd_perform_commit_exchangehunting_and_peckingdragonflyCVE-2019-9495eap_pwd_build_commit_reqeap_pwd_key_setup
Keywords CVE-2022-23304hostapd EAP-pwd side-channelwpa_supplicant EAP-pwd cache timingEAP-pwd cache access pattern attackhostapd before 2.10 side-channelwpa_supplicant before 2.10 side-channelCVE-2019-9495 incomplete fixdragonfly handshake cache side-channelEAP-pwd PoC exploit
Versions: hostapd < 2.10, wpa_supplicant < 2.10
Ranked PoCs (1) — best first
Heuristic ranking — not yet expert-vetted. Scored on structure + provenance, not execution.
- ★ 0w4zu/Debian_security needs reviewtrickest
Recall-favoring discovery; ranking by the Stage-4 scorer (Adam's rubric). Scanner/aggregator repos are hidden.
References
- 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/
- https://cert-portal.siemens.com/productcert/html/ssa-585531.html
Status: enriched · ingested 2026-07-14T18:00:20.000Z · profiled 2026-07-14T18:30:20.000Z