CVE-2020-24490

lowpriority · track · 37EPSS 0.022 · 83 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

2.22% (83rd) EPSS

CVSS 3.3 · low

Is it mine?

30 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.

cvss

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

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.3–6.5

v2.03.3lowAV:A/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 6.5 · impact 2.9

v3.16.5mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.16.5mediumAV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.2mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USCWE-122USCWE-284US

exploits (2)

Public proof-of-concept and weaponised exploit code.

AbrarKhan/Linux-4.19.72_CVE-2020-24490AbrarKhan/Linux-4.19.72_CVE-2020-24490PoC · poc_in_github
AbrarKhan/linux_CVE-2020-24490-beforePatchAbrarKhan/linux_CVE-2020-24490-beforePatchPoC · poc_in_github

affected products (30)

Products and version ranges known to be affected.

Avaya Aura Application Enablement Servicesall versionscert_bundDEcpe:/a:avaya:aura_application_enablement_services:-
Avaya Aura Communication Managerall versionscert_bundDEcpe:/a:avaya:communication_manager:-
Avaya Aura Session Managerall versionscert_bundDEcpe:/a:avaya:session_manager:-
Avaya Aura System Managerall versionscert_bundDEcpe:/a:avaya:aura_system_manager:-
Avaya Web License Managerall versionscert_bundDEcpe:/a:avaya:web_license_manager:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
IGEL OSall versionscert_bundDEcpe:/o:igel:os:-
Open Source Arch Linuxall versionscert_bundDEcpe:/o:archlinux:archlinux:-
Open Source Linux Kernel <5.10all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source Linux Kernel< 5.10cert_bundDE
n/a BlueZ Advisory≤ all Linux kernel versions that support BlueZenisa_euvdEU
Canonical Ltd. Ubuntu≤ 18.04 LTSfstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.2fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.6 «Смоленск»fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition для «Эльбрус»≤ 8.1 «Ленинград»fstec_bduRU
Сообщество свободного программного обеспечения BlueZall versionsfstec_bduRU

showing 20 of 30

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-3745Linux Kernel - BlueZ: Mehrere SchwachstellenDeutsch2020-10-14csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen im Linux Kernel in BlueZ ausnutzen, um einen Denial of Service Angriff durchzuführen, vertrauliche Daten einzusehen und möglicherweise Code zur Ausführung zu bringen oder seine Privilegien zu erhöhen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

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

references (21)

External citations — patches, advisories, analysis.

scry

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