CVE-2021-0326

highpriority · track · 42EPSS 0.049 · 92 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

5 exploits · PoC

Likely / severe?

4.93% (92nd) EPSS

CVSS 7.9 · high

Is it mine?

31 products

Check your exposure

Who says so?

8 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

In p2p_copy_client_info of p2p.c, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution if the target device is performing a Wi-Fi Direct search, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-172937525

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedwpa_supplicant-1:2.9-5.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-1:2.9-5.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-1:2.9-5.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-1:2.9-5.el8.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-1:2.9-5.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-debuginfo-1:2.9-5.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-debuginfo-1:2.9-5.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-debuginfo-1:2.9-5.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-debuginfo-1:2.9-5.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-debugsource-1:2.9-5.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-debugsource-1:2.9-5.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-debugsource-1:2.9-5.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
Fixedwpa_supplicant-debugsource-1:2.9-5.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1686
FixedSIMATIC RF160B (6GT2003-0FA00)siemens_psirt
Update to V2.2 or later version
MitigationSIMATIC RF160B (6GT2003-0FA00)cisa_csaf_ot
Siemens has released a new version (V2.2) for SIMATIC RF160B and recommends to update to the latest version.
Workaroundwpa_supplicant-1:2.9-5.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-1:2.9-5.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-1:2.9-5.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-1:2.9-5.el8.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-1:2.9-5.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-debuginfo-1:2.9-5.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-debuginfo-1:2.9-5.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-debuginfo-1:2.9-5.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-debuginfo-1:2.9-5.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-debugsource-1:2.9-5.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-debugsource-1:2.9-5.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-debugsource-1:2.9-5.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.
Workaroundwpa_supplicant-debugsource-1:2.9-5.el8.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)redhat_csaf
Disable Wi-Fi P2P support (Wi-Fi Direct) if not needed, by using the control interface command "P2P_SET disabled 1" or setting "p2p_disabled=1" in wpa_supplicant configuration file.

cvss

Technical severity, 0–10. One row per scoring source.

7.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.9highAV:A/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 5.5 · impact 10

v3.17.5highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9

v3.17.5highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.17.5highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.17.1highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-120USCWE-787USCWE-787US

exploits (5)

Public proof-of-concept and weaponised exploit code.

Satheesh575555/external_wpa_supplicant_8_AOSP10_r33_CVE-2021-0326Satheesh575555/external_wpa_supplicant_8_AOSP10_r33_CVE-2021-0326PoC · poc_in_github
ShaikUsaf/external_wpa_supplicant_8_AOSP10_r33CVE-2021-0326ShaikUsaf/external_wpa_supplicant_8_AOSP10_r33CVE-2021-0326PoC · poc_in_github
aemmitt-ns/skeletonSkeleton (but pronounced like Peloton): A Zero-Click RCE exploit for CVE-2021-0326PoC · poc_in_github
nanopathi/Packages_wpa_supplicant8_CVE-2021-0326nanopathi/Packages_wpa_supplicant8_CVE-2021-0326PoC · poc_in_github
nanopathi/wpa_supplicant_8_CVE-2021-0326.nanopathi/wpa_supplicant_8_CVE-2021-0326.PoC · poc_in_github

affected products (31)

Products and version ranges known to be affected.

BlackBerry BlackBerryall versionscert_bundDEcpe:/h:rim:blackberry:-
Google Android 10all versionscert_bundDEcpe:/o:google:android:10.0
Google Android 11all versionscert_bundDEcpe:/o:google:android:11
Google Android 8.1all versionscert_bundDEcpe:/o:google:android:8.1
Google Android 9all versionscert_bundDEcpe:/o:google:android:9
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Siemens SIMATIC RF160B (6GT2003-0FA00): <V2.2all versionscisa_csaf_otUS
Siemens SIMATIC RF160B (6GT2003-0FA00)< V2.2cisa_csaf_otUS
n/a Android≤ Android-10 Android-11 Android-8.1 Android-9enisa_euvdEU
debian debian linux= 10.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
fedoraproject fedora= 32nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 34nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
google android= 10.0nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 11.0nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 8.1nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
google android= 9.0nvdUScpe:2.3:o:google:android:*:*:*:*:*:*:*:*
wpa_supplicant-1:2.9-5.el8.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
wpa_supplicant-1:2.9-5.el8.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS
wpa_supplicant-1:2.9-5.el8.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)all versionsfixedredhat_csafUS

showing 20 of 31

advisories (5)

Vendor and ecosystem advisories describing this.

RHSA-2021:1686Red Hat Security Advisory: wpa_supplicant security, bug fix, and enhancement update2021-05-18csaf · redhat_csafUS
An update for wpa_supplicant is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
SSA-770721SSA-770721: Multiple Vulnerabilities in SIMATIC RF160B before V2.22024-03-12csaf · siemens_psirtDE
SIMATIC RF160B contain multiple vulnerabilities of different types that could allow an attacker to execute arbitrary code within the context of a privileged process. Siemens has released a new version for SIMATIC RF160B and recommends to update to the latest version.
WID-SEC-W-2023-0360Google Android: Mehrere SchwachstellenDeutsch2021-02-01csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Google Android ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, Informationen offenzulegen, einen Denial of Service Absturz herbeizuführen, seine Privilegien zu erhöhen oder unbekannte Auswirkungen zu verursachen.
ICSA-24-074-07Siemens SIMATIC2024-03-14icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to execute arbitrary code within the context of a privileged process.
ASB-A-1729375252021-02-01vendor · osvUS
In p2p_copy_client_info of p2p.c, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution if the target device is performing a Wi-Fi Direct search, with no additional execution privileges needed. User interaction is not needed for exploitation.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund cisa_csaf_ot nvd redhat_csaf siemens_psirt NVD CVE.org MITRE

published 2021-02-10modified 2026-06-17

related (16,125)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-86950US	—OT critical	26.2% (98th)	KEV	2026-09-28
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.11 and iPadOS 18.7.11, iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1,…
CVE-2026-87491US	—OT critical	3.51% (89th)	KEV	2026-09-09
Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security…
CVE-2026-53362US	—OT critical	0.71% (53rd)	KEV	2026-07-04
In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In __ip6_append_data(), when the paged-allocation branc…
CVE-2026-53266US	—OT critical	0.93% (61st)	KEV	2026-06-25
In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebt_snat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source addre…
CVE-2026-11645US	—OT critical	2.44% (84th)	KEV	2026-06-09
Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium…

+16120 more

references (25)

External citations — patches, advisories, analysis.

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