CVE-2023-21656

highpriority · track · 31EPSS 0.001 · 2 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.12% (2nd) EPSS

CVSS 7.8 · high

Is it mine?

263 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · cert_bund

EPSS · scored 2026-10-27

Memory corruption in WLAN HOST while receiving an WMI event from firmware.

cvss

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

7.8

010

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

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · product-security@qualcomm.comexploitability 1.8 · impact 5.9

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (263)

Products and version ranges known to be affected.

Google Android 11all versionscert_bundDEcpe:/o:google:android:11
Google Android 12all versionscert_bundDEcpe:/o:google:android:12
Google Android 12Lall versionscert_bundDEcpe:/o:google:android:12l
Google Android 13all versionscert_bundDEcpe:/o:google:android:13
Samsung Androidall versionscert_bundDEcpe:/o:samsung:android:-
Samsung Android 11all versionscert_bundDEcpe:/o:samsung:android:11
Samsung Android 12all versionscert_bundDEcpe:/o:samsung:android:12
Samsung Android 12lall versionscert_bundDEcpe:/o:samsung:android:12l
Samsung Android 13all versionscert_bundDEcpe:/o:samsung:android:13
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Qualcomm, Inc. Snapdragon≤ WCD9335enisa_euvdEU
Qualcomm, Inc. Snapdragon≤ CSRA6620enisa_euvdEU
Qualcomm, Inc. Snapdragon≤ Snapdragon 782G Mobile Platform (SM7325-AF)enisa_euvdEU
Qualcomm, Inc. Snapdragon≤ WCD9326enisa_euvdEU
Qualcomm, Inc. Snapdragon≤ SM7315enisa_euvdEU
Qualcomm, Inc. Snapdragon≤ SA6145Penisa_euvdEU
Qualcomm, Inc. Snapdragon≤ Snapdragon 4 Gen 1 Mobile Platformenisa_euvdEU
Qualcomm, Inc. Snapdragon≤ SD835enisa_euvdEU
Qualcomm, Inc. Snapdragon≤ QCA6595AUenisa_euvdEU
Qualcomm, Inc. Snapdragon≤ SA6155enisa_euvdEU

showing 20 of 263

advisories (4)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1365Android Patchday Juni 2023Deutsch2023-06-05csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Google Android ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen, vertrauliche Informationen offenzulegen und einen Denial-of-Service-Zustand auszulösen.
WID-SEC-W-2023-1669Android Patchday Juli 2023Deutsch2023-07-05csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Google Android ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, seine Privilegien zu erweitern, Informationen offenzulegen oder einen Denial of Service Zustand herbeizuführen.
WID-SEC-W-2023-1672Samsung Android: Mehrere SchwachstellenDeutsch2023-07-05csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Samsung Android ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, seine Privilegien zu erweitern, Informationen offenzulegen oder einen Denial of Service Zustand herbeizuführen.
ASB-A-2718796732023-06-01vendor · osvUS

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv cert_bund NVD CVE.org MITRE

published 2023-06-06modified 2026-06-17

related (25,173)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-88771US	critical9.8OT critical	82.2% (100th)	KEV	2026-09-27
Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS,…
CVE-2026-93952US	—OT critical	1.38% (72nd)	KEV	2026-09-22
VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successf…
CVE-2026-12569US	critical9.8OT critical	46.0% (99th)	KEV	2026-06-18
A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of u…
CVE-2026-34910US	—OT critical	90.0% (100th)	KEV	2026-05-22
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.
CVE-2026-6973US	—OT critical	34.5% (98th)	KEV	2026-05-07
An Improper Input Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remotely authenticated user with administrative access to achieve remote code…

+25168 more

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan