CVE catalog

CVE-2021-30004

wpa: CVE-2021-30004

Severity: Medium · CVSS 5.3CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Published: Mar 14, 2021, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 1.64% · Oct 25, 2026

In wpa_supplicant and hostapd 2.9, forging attacks may occur because AlgorithmIdentifier parameters are mishandled in tls/pkcs1.c and tls/x509v3.c.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	wpa	sid	`2:2.11-4`	fixed
Debian	wpa	forky	`2:2.11-4`	fixed
Debian	wpa	trixie	`2:2.10-24`	fixed
Debian	wpa	bookworm	`2:2.10-12+deb12u3`	fixed
Debian	wpa	bookworm-security	`2:2.10-12+deb12u2`	fixed
Alpine	hostapd	3.11	`2.9-r3`	fixed
Alpine	hostapd	3.12	`2.9-r3`	fixed
Alpine	hostapd	3.13	`2.9-r3`	fixed
Alpine	hostapd	3.14	`2.9-r3`	fixed
Alpine	hostapd	3.15	`2.9-r3`	fixed
Alpine	hostapd	3.16	`2.9-r3`	fixed
Alpine	hostapd	3.17	`2.9-r3`	fixed
Alpine	hostapd	3.18	`2.9-r3`	fixed
Alpine	hostapd	3.19	`2.9-r3`	fixed
Alpine	hostapd	3.20	`2.9-r3`	fixed
Alpine	hostapd	3.21	`2.9-r3`	fixed
Alpine	hostapd	3.22	`2.9-r3`	fixed
Alpine	hostapd	3.23	`2.9-r3`	fixed
Alpine	hostapd	3.24	`2.9-r3`	fixed
Alpine	wpa_supplicant	3.11	`2.9-r8`	fixed
Alpine	wpa_supplicant	3.12	`2.9-r8`	fixed
Alpine	wpa_supplicant	3.13	`2.9-r11`	fixed
Alpine	wpa_supplicant	3.14	`2.9-r13`	fixed
Alpine	wpa_supplicant	3.15	`2.9-r13`	fixed
Alpine	wpa_supplicant	3.16	`2.9-r13`	fixed
Alpine	wpa_supplicant	3.17	`2.9-r13`	fixed
Alpine	wpa_supplicant	3.18	`2.9-r13`	fixed
Alpine	wpa_supplicant	3.19	`2.9-r13`	fixed
Alpine	wpa_supplicant	3.20	`2.9-r13`	fixed
Alpine	wpa_supplicant	3.21	`2.9-r13`	fixed
Alpine	wpa_supplicant	3.22	`2.9-r13`	fixed
Alpine	wpa_supplicant	3.23	`2.9-r13`	fixed
Alpine	wpa_supplicant	3.24	`2.9-r13`	fixed
Opensuse	wpa_supplicant	leap 15.2	`2.9-lp152.8.12.1`	fixed
Suse	wpa_supplicant	linux enterprise server 12 sp5	`2.9-23.12.1`	fixed
Suse	wpa_supplicant	linux enterprise server for sap applications 12 sp5	`2.9-23.12.1`	fixed
Suse	wpa_supplicant	linux enterprise module for basesystem 15 sp2	`2.9-4.29.1`	fixed
Suse	wpa_supplicant	linux enterprise micro 5.0	`2.9-4.29.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	wpa	source	sid	`2:2.10-1`	unimportant	Not reported	Not reported
Debian	wpa	source	forky	`2:2.10-1`	unimportant	Not reported	Not reported
Debian	wpa	source	trixie	`2:2.10-1`	unimportant	Not reported	Not reported
Debian	wpa	source	bookworm	`2:2.10-1`	unimportant	Not reported	Not reported
Alpine	hostapd	apk	3.11	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.12	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.13	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.14	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.15	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.16	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.17	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.18	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.19	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.20	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.21	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.22	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.23	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	hostapd	apk	3.24	`2.9-r3`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.11	`2.9-r8`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.12	`2.9-r8`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.13	`2.9-r11`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.14	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.15	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.16	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.17	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.18	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.19	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.20	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.21	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.22	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.23	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Alpine	wpa_supplicant	apk	3.24	`2.9-r13`	Not reported	ALPINE-CVE-2021-30004	Not reported
Opensuse	wpa_supplicant	rpm	leap 15.2	`2.9-lp152.8.12.1`	Not reported	OPENSUSE-SU-2021:0563-1	Not reported
Suse	wpa_supplicant	rpm	linux enterprise server 12 sp5	`2.9-23.12.1`	Not reported	SUSE-SU-2021:1125-1	Not reported
Suse	wpa_supplicant	rpm	linux enterprise server for sap applications 12 sp5	`2.9-23.12.1`	Not reported	SUSE-SU-2021:1125-1	Not reported
Suse	wpa_supplicant	rpm	linux enterprise module for basesystem 15 sp2	`2.9-4.29.1`	Not reported	SUSE-SU-2021:1166-1	Not reported
Suse	wpa_supplicant	rpm	linux enterprise micro 5.0	`2.9-4.29.1`	Not reported	SUSE-SU-2021:1166-1	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[eapoltest]Affected
Source package: [wpa]
Details (4)
- 2:2.10-12+deb12u3 · amd64 · bookworm
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u3 · arm64 · bookworm
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u2 · amd64 · bookworm-security
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u2 · arm64 · bookworm-security
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
[hostapd]Affected
Source package: [wpa]
Details (4)
- 2:2.10-12+deb12u3 · amd64 · bookworm
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u3 · arm64 · bookworm
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u2 · amd64 · bookworm-security
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u2 · arm64 · bookworm-security
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
[libwpa-client-dev]Affected
Source package: [wpa]
Details (4)
- 2:2.10-12+deb12u3 · amd64 · bookworm
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u3 · arm64 · bookworm
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u2 · amd64 · bookworm-security
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u2 · arm64 · bookworm-security
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
[wpagui]Affected
Source package: [wpa]
Details (4)
- 2:2.10-12+deb12u3 · amd64 · bookworm
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u3 · arm64 · bookworm
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u2 · amd64 · bookworm-security
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u2 · arm64 · bookworm-security
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
[wpasupplicant]Affected
Source package: [wpa]
Details (4)
- 2:2.10-12+deb12u3 · amd64 · bookworm
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u3 · arm64 · bookworm
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u2 · amd64 · bookworm-security
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12
- 2:2.10-12+deb12u2 · arm64 · bookworm-security
  Affected · Fixed: 2:2.10-1
  dsa · wpa · debian · bookworm; dsa · wpa · debian · 12

[Debian 13 (Trixie)]

[eapoltest]Fixed
Source package: [wpa]
Details (2)
- 2:2.10-24 · amd64 · trixie
  Fixed · Fixed: 2:2.10-1
  dsa · wpa · debian · 13
- 2:2.10-24 · arm64 · trixie
  Fixed · Fixed: 2:2.10-1
  dsa · wpa · debian · 13
[hostapd]Fixed
Source package: [wpa]
Details (2)
- 2:2.10-24 · amd64 · trixie
  Fixed · Fixed: 2:2.10-1
  dsa · wpa · debian · 13
- 2:2.10-24 · arm64 · trixie
  Fixed · Fixed: 2:2.10-1
  dsa · wpa · debian · 13
[libwpa-client-dev]Fixed
Source package: [wpa]
Details (2)
- 2:2.10-24 · amd64 · trixie
  Fixed · Fixed: 2:2.10-1
  dsa · wpa · debian · 13
- 2:2.10-24 · arm64 · trixie
  Fixed · Fixed: 2:2.10-1
  dsa · wpa · debian · 13
[wpagui]Fixed
Source package: [wpa]
Details (2)
- 2:2.10-24 · amd64 · trixie
  Fixed · Fixed: 2:2.10-1
  dsa · wpa · debian · 13
- 2:2.10-24 · arm64 · trixie
  Fixed · Fixed: 2:2.10-1
  dsa · wpa · debian · 13
[wpasupplicant]Fixed
Source package: [wpa]
Details (2)
- 2:2.10-24 · amd64 · trixie
  Fixed · Fixed: 2:2.10-1
  dsa · wpa · debian · 13
- 2:2.10-24 · arm64 · trixie
  Fixed · Fixed: 2:2.10-1
  dsa · wpa · debian · 13

Observed: Oct 23, 2026, 5:56:32 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]