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CVE-2021-21551 CISA KEV · Actively exploited

Dell dbutil Driver Insufficient Access Control Vulnerability

CVSS score

—

EPSS probability

%80.1

Risk score

—

Published

4 y ago

OverviewPublic Exploits (13)NewsroomVulnerability Timeline

Public Exploits · GitHub and Metasploit Intelligence

This tab scans the sources that NVD labels as exploits, GitHub repositories matching the CVE identifier and Rapid7 Metasploit Framework modules. Only links to sources that were actually found are shown.

G
waldo-irc/CVE-2021-21551
GitHub

Exploit to SYSTEM for CVE-2021-21551 (★236)

Public PoCSource updated: 12.04.2022 15:14:50
G
ihack4falafel/Dell-Driver-EoP-CVE-2021-21551
GitHub

Dell Driver EoP (CVE-2021-21551) (★22)

Public PoCSource updated: 08.04.2022 18:47:11
G
mathisvickie/CVE-2021-21551
GitHub

arbitrary kernel read/write in dbutil_2_3.sys, Proof of Concept Local Privilege Escalation to nt authority/system (★20)

Public PoCSource updated: 30.04.2022 22:22:00
G
mzakocs/CVE-2021-21551-POC
GitHub

An extended proof-of-concept for the CVE-2021-21551 Dell ‘dbutil_2_3.sys’ Kernel Exploit. (★4)

Public PoCSource updated: 14.12.2021 15:58:57
G
arnaudluti/PS-CVE-2021-21551
GitHub

Script to patch your domain computers about the CVE-2021-21551. Privesc on machines that have the driver dbutil_2_3.sys, installed by some DELL tools (BIOS updater, SupportAssist...) (★1)

Public PoCSource updated: 20.06.2021 20:02:49
G
nanabingies/CVE-2021-21551
GitHub

Dell Driver EoP (CVE-2021-21551) (★0)

Public PoCSource updated: 07.01.2023 11:43:36
G
shaygitub/CVE-2021-21551
GitHub

This example is inspired by https://www.mitchellzakocs.com/blog/dbutil#exploitation-and-proof-of-concept and used in my windows rootkit. an exploit that lets me free use of reading/write from/to any virtual/physical memory address in any size i want. (★0)

Public PoCSource updated: 12.10.2023 02:22:12
G
houseofxyz/CVE-2021-21551
GitHub

Dell dbutil_2_3.sys driver exploit (★0)

Public PoCSource updated: 30.12.2023 21:23:23
G
Eap2468/CVE-2021-21551
GitHub

Proof of concept exploit for CVE-2021-21551 (★0)

Public PoCSource updated: 03.08.2024 05:23:02
G
IlanDudnik/CVE-2021-21551
GitHub

Exploit implementation for CVE-2021-21551 (★0)

Public PoCSource updated: 12.01.2025 20:49:34
G
bengabay1994/cve-2021-21551-PoC
GitHub

This repo contain a PoC I have done when blind analysis the dbutil_2_3.sys driver for vulnerability. This was created by personal analysis without looking at writeups or even know which CVE exist in this driver. All the knowledge I have is that this driver is vulnerable in some way. (★0)

Public PoCSource updated: 03.12.2025 04:48:32
E
DELL dbutil_2_3.sys 2.3 - Arbitrary Write to Local Privilege Escalation (LPE)
Exploit-DB

DELL dbutil_2_3.sys 2.3 - Arbitrary Write to Local Privilege Escalation (LPE)

Exploit referenceSource updated: 21.05.2021 00:00:00
G
luke0x90/CVE-2021-21551
GitHub

luke0x90/CVE-2021-21551

Public PoC

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