7.8
Advisory Published
Updated

CVE-2021-3809

First published: Mon Jan 30 2023(Updated: )

Potential security vulnerabilities have been identified in the BIOS (UEFI Firmware) for certain HP PC products, which might allow arbitrary code execution. HP is releasing firmware updates to mitigate these potential vulnerabilities.

Credit: hp-security-alert@hp.com

Affected SoftwareAffected VersionHow to fix
HP Elite Dragonfly Firmware=01.12.00
HP Elite Dragonfly
hp elite x2 1012 g2 firmware=1.41
HP EliteBook Folio 1012 x2 G2
hp elite x2 1013 g3 firmware=01.19.00
hp elite x2 1013 g3
hp elite x2 g4 firmware=01.12.00
hp elite x2 g4
hp elitebook 1040 g4 firmware=1.41
hp elitebook 1040 g4
hp elitebook 1050 g1 firmware=01.19.00
hp elitebook 1050 g1
HP EliteBook 725 G4 Firmware=1.4
HP EliteBook 725 G4
hp elitebook 735 g5 firmware=01.20.00
hp elitebook 735 g5
hp elitebook 735 g6 firmware=01.19.00
hp elitebook 735 g6
HP EliteBook 745 G4 Firmware=1.4
HP EliteBook 745 G4
hp elitebook 745 g5 firmware=01.20.00
hp elitebook 745 g5
hp elitebook 745 g6 firmware=01.19.00
hp elitebook 745 g6
HP EliteBook 755 G4 Firmware=1.4
HP EliteBook 755 G4
hp elitebook 755 g5 firmware=01.20.00
hp elitebook 755 g5
HP EliteBook 820 G4 Firmware=1.41
HP EliteBook 820 G4
HP EliteBook 828 G4 Firmware=1.41
HP EliteBook 828 G4
hp elitebook 830 g5 firmware=01.19.00
hp elitebook 830 g5
hp elitebook 830 g6 firmware=01.12.00
hp elitebook 830 g6
hp elitebook 836 g5 firmware=01.19.00
hp elitebook 836 g5
hp elitebook 836 g6 firmware=01.12.00
hp elitebook 836 g6
HP EliteBook 840 G4 Firmware=1.41
HP EliteBook 840 G4
hp elitebook 840 g5 firmware=01.19.00
hp elitebook 840 g5
hp elitebook 840 g6 firmware=01.12.00
hp elitebook 840 g6
HP EliteBook 840 G4 Firmware=01.19.00
HP EliteBook 840 G4
hp elitebook 846 g5 firmware=01.19.00
hp elitebook 846 g5
HP EliteBook 848 G4 Firmware=1.41
HP EliteBook 848 G4
HP EliteBook 850 G4 Firmware=1.41
HP EliteBook 850 G4
hp elitebook 850 g5 firmware=01.19.00
hp elitebook 850 g5
hp elitebook 850 g6 firmware=01.12.00
hp elitebook 850 g6
hp elitebook x360 1020 g2 firmware=1.41
hp elitebook x360 1020 g2
hp elitebook x360 1030 g2 firmware=1.41
hp elitebook x360 1030 g2
hp elitebook x360 1030 g3 firmware=01.19.00
hp elitebook x360 1030 g3
hp elitebook x360 1030 g4 firmware=01.12.00
hp elitebook x360 1030 g4
hp elitebook x360 1040 g5 firmware=01.19.00
hp elitebook x360 1040 g5
hp elitebook x360 1040 g6 firmware=01.12.00
hp elitebook x360 1040 g6
hp elitebook x360 830 g5 firmware=01.19.00
hp elitebook x360 830 g5
hp elitebook x360 830 g6 firmware=01.12.00
hp elitebook x360 830 g6
hp pro x2 612 g2 firmware=1.41
hp pro x2 612 g2
HP ProBook 11 G2 Education Edition Firmware=1.55
HP ProBook 11 G2 Education Edition
HP ProBook 430 G4 Firmware=1.41
HP ProBook 430 G4
HP ProBook 430 G5 Firmware=01.20.00
HP ProBook 430 G5
hp probook 430 g6 firmware=01.19.00
hp probook 430 g6
HP ProBook 440 G4 Firmware=1.41
HP ProOne 440 G4
HP ProBook 440 G5 Firmware=01.20.00
HP ProBook 440 G5
hp probook 440 g6 firmware=01.19.00
hp probook 440 g6
hp probook 445 g6 firmware=01.19.00
hp probook 445 g6
hp probook 445r g6 firmware=01.19.00
hp probook 445r g6
HP ProBook 450 G4 Firmware=1.41
HP ProBook 450 G4
HP ProBook 450 G5 Firmware=01.20.00
HP ProBook 450 G5 Firmware
hp probook 450 g6 firmware=01.19.00
hp probook 450 g6
HP ProBook 455 G4 Firmware=1.4
HP ProBook 455 G4
HP ProBook 455 G5 Firmware=01.20.00
HP ProBook 455 G5 Firmware
hp probook 455 g6 firmware=01.19.00
hp probook 455 g6
hp probook 455r g6 firmware=01.19.00
hp probook 455r g6
HP ProBook 470 G4 Firmware=1.41
HP ProBook 470 G4
HP ProBook 470 G5 Firmware=01.20.00
HP ProBook 470 G5
HP ProBook 640 G3 Firmware=1.41
HP ProBook 640 G3
HP ProBook 640 G4 Firmware=01.20.00
HP ProBook 640 G4
hp probook 640 g5 firmware=01.12.00
hp probook 640 g5
HP ProBook 645 G3 Firmware=1.4
HP ProBook 645 G3
HP ProBook 645 G4 Firmware=01.20.00
HP ProBook 645 G4
HP ProBook 650 G3 Firmware=1.41
HP ProBook 650 G3
HP ProBook 650 G4 Firmware=01.20.00
HP ProBook 650 G4
hp probook 650 g5 firmware=01.12.00
hp probook 650 g5
HP ProBook 655 G3 Firmware=1.4
HP ProBook 655 G3
HP ProBook x360 11 G2 Education Edition Firmware=1.43
HP ProBook x360 11 G2 Education Edition
HP ProBook x360 11 G3 EE Firmware=01.17.00
HP ProBook x360 11 G3 EE
HP ProBook x360 11 G4 EE Firmware=01.13.00
HP ProBook x360 11 G4 EE Firmware
HP ProBook x360 440 G1 Firmware=01.19.00
HP ProBook x360 440 G1
HP ZBook 14u G4 Firmware=1.41
HP ZBook 14u G4 Firmware
HP ZBook 14u G5 Firmware=01.19.00
HP ZBook 14u G5 Firmware
hp zbook 14u g6 firmware=01.12.00
HP ZBook 14u G6 Mobile Workstation
HP ZBook 15 G4 Firmware=1.41
HP ZBook 15u G4
hp zbook 15 g5 firmware=01.19.00
hp zbook 15 g5
hp zbook 15 g6 firmware=01.12.00
hp zbook 15 g6
HP ZBook 15u G4 Firmware=1.41
HP ZBook 15u G4
hp zbook 15u g5 firmware=01.19.00
hp zbook 15u g5
hp zbook 15u g6 firmware=01.12.00
hp zbook 15u g6
HP ZBook 17 G4 Firmware=1.41
HP ZBook 17 G4 Firmware
HP ZBook 17 G5 Firmware=01.19.00
hp zbook 17 g5
hp zbook 17 g6 firmware=01.12.00
hp zbook 17 g6
hp zbook studio g4 firmware=1.41
HP ZBook Studio x2 G4
hp zbook studio g5 firmware=01.19.00
HP ZBook Studio G5
hp zbook studio x360 g5 firmware=01.19.00
hp zbook studio x360 g5
hp zbook x2 g4 firmware=1.41
hp zbook x2 g4
hp zhan 66 pro 13 g2 firmware=01.19.00
hp zhan 66 pro 13 g2
hp zhan 66 pro 14 g2 firmware=01.19.00
HP Zhan 66 Pro 14 G2
HP Zhan 66 Pro 15 G2 Firmware=01.19.00
HP Zhan 66 Pro 15 G2 Firmware
HP Zhan 66 Pro G1 Firmware=01.20.00
HP Zhan 66 Pro G1 Firmware
HP Zhan X 13 G2 Firmware=01.12.00
HP Zhan X 13 G2 Firmware
HP z1 all-in-one g3 Firmware=1.31
HP z1 all-in-one g3 Firmware
HP z1 entry tower g5 Firmware=02.11.00
HP z1 entry tower g5 Firmware
HP z2 mini g3 Firmware=1.83
HP Z2 Mini G3
HP Z2 Mini G4 Firmware=01.08.01
HP Z2 Mini G4 Firmware
HP z2 mini G5=01.04.02
HP z2 mini G5
HP HP Z2 Small Form Factor G4 Firmware=01.08.01
HP Z2 Small Form Factor G4
HP Z2 Small Form Factor G5=01.04.02
HP Z2 Small Form Factor G5
HP Z2 Tower G4 Firmware=01.08.01
HP Z2 Tower G4
HP HP z2 tower g5 Firmware=01.04.02
HP HP z2 tower g5 Firmware
HP z238 Microtower Firmware=1.83
HP z238 microtower
HP z240 small form factor Firmware=1.83
HP z240 small form factor
HP Z240 Tower Firmware=1.83
HP Z240 Tower
HP mt21 mobile thin client Firmware=01.21.01
HP Mt21 Thin Client
Hp Mt31 Thin Client Firmware=01.21.01
HP mt31 mobile thin client
HP mt44 mobile thin client Firmware=01.21.01
HP mt44 mobile thin client Firmware
HP mt45 mobile thin client Firmware=01.21.01
HP mt45 mobile thin client
hp elite slice firmware=2.55
hp elite slice
HP Elite Slice G2 Firmware=2.55
HP Elite Slice G2
HP EliteDesk 705 G3 Desktop Mini PC Firmware=2.38
HP Elitedesk 705 G3 Desktop Mini PC
HP EliteDesk 705 G3 Microtower PC firmware=2.38
HP EliteDesk 705 G3 Microtower PC firmware
HP EliteDesk 705 G3 Small Form Factor PC Firmware=2.38
HP Elitedesk 705 G3 Small Form Factor PC
HP EliteDesk 705 G4 Desktop Mini Firmware=02.17.00
HP EliteDesk 705 G4
HP EliteDesk 705 G4 Microtower PC firmware=02.17.00
HP EliteDesk 705 G4 Microtower
HP EliteDesk 705 G4 Small Form Factor Firmware=02.12.00
HP EliteDesk 705 G4 Small Form Factor
HP Elitedesk 705 G4 Workstation Firmware=02.17.00
HP EliteDesk 705 G4
HP EliteDesk 705 G5 Desktop Mini PC Firmware=02.11.00
HP EliteDesk 705 G5 Desktop Mini PC Firmware
HP Elitedesk 705 G5 Small Form Factor Firmware=02.11.00
HP EliteDesk 705 G5 Small Form Factor PC
HP EliteDesk 800 35w G3 Desktop Mini Firmware=2.4
HP Elitedesk 800 35w G3 Desktop Mini
HP Elitedesk 800 35w G4 Desktop Mini PC Firmware=02.18.00
HP EliteDesk 800 35w G4 Desktop Mini
HP elitedesk 800 65w g3 desktop mini firmware=2.4
HP EliteDesk 800 65W G3 Desktop Mini PC
HP Elitedesk 800 65W G4 Desktop Mini Firmware=02.18.00
HP Elitedesk 800 65W G4 Desktop Mini PC firmware
HP EliteDesk 800 95W G4 Desktop Mini PC Firmware=02.18.00
HP EliteDesk 800 95W G4 Desktop Mini
HP EliteDesk 800 G3 Small Form Factor PC Firmware=2.4
HP EliteDesk 800 G3 Small Form Factor PC
HP EliteDesk 800 G3 Tower PC Firmware=2.4
HP EliteDesk 800 G3 Tower PC
HP Elitedesk 800 G4 Small Form Factor PC Firmware=02.17.00
HP EliteDesk 800 G4 Small Form Factor PC
HP Elitedesk 800 G4 Tower PC Firmware=02.17.00
HP Elitedesk 800 G4 Tower PC Firmware
HP EliteDesk 800 G4 Workstation Firmware=02.17.00
HP Elitedesk 800 G4 Workstation Edition
HP EliteDesk 800 G5 Desktop Mini PC Firmware=02.11.00
HP EliteDesk 800 G5 Desktop Mini PC
HP EliteDesk 800 G5 Small Form Factor Firmware=02.11.00
HP EliteDesk 800 G5 Small Form Factor Firmware
HP EliteDesk 800 G5 Tower PC Firmware=02.11.00
HP EliteDesk 800 G5 Tower PC
HP EliteDesk 880 G3 Tower PC Firmware=2.4
HP EliteDesk 880 G3 Tower PC
HP Elitedesk 880 G4 Tower Firmware=02.17.00
HP EliteDesk 880 G4 Tower PC
HP Elitedesk 880 G5 Tower PC Firmware=02.11.00
HP EliteDesk 880 G5
HP EliteOne 1000 G1 23.8-in All-in-One Business Firmware=2.4
HP EliteOne 1000 G1 23.8-Inch All-in-One Business
HP EliteOne 1000 G2 23.8-in Touch All-in-One Business PC Firmware=02.18.00
HP EliteOne 1000 G2 23.8-in Touch All-in-One Business PC
HP EliteOne 800 G3 23.8 Non-Touch All-in-One Business PC Firmware=2.4
HP EliteOne 800 G3 23.8 Non-Touch All-in-One Business PC
HP EliteOne 800 G4 23.8-in All-in-One Business Firmware=02.18.00
HP EliteOne 800 G4 23.8-in All-in-One Business Firmware
HP EliteOne 800 G5 23.8-in All-in-One Firmware=2.11.01
HP EliteOne 800 G5 23.8-inch All-in-One
HP ProDesk 400 G3 Desktop Mini PC Firmware=2.4
HP ProDesk 400 G3 Desktop Mini PC
HP ProDesk 400 G4 Desktop Mini Firmware=02.18.00
HP ProDesk 400 G4 Desktop Mini PC
HP ProDesk 400 G4 Microtower PC Firmware=2.4
HP ProDesk 400 G4 Microtower PC
HP ProDesk 400 G4 Small Form Factor PC Firmware=2.4
HP ProDesk 400 G4 Small Form Factor PC
HP ProDesk 400 G5 Desktop Mini Firmware=02.11.00
HP ProDesk 400 G5
HP ProDesk 400 G5 Microtower PC Firmware=02.17.00
HP ProDesk 400 G5 Microtower PC
HP ProDesk 400 G5 Small Form Factor PC Firmware=2.17
HP ProDesk 400 G5 Small Form Factor PC Firmware
HP ProDesk 400 G6 Microtower Firmware=02.11.00
HP ProDesk 400 G6 Microtower PC
HP ProDesk 400 G6 Small Form Factor PC Firmware=02.11.00
HP ProDesk 400 G6 Small Form Factor PC
HP ProDesk 405 G4 Desktop Mini PC Firmware=02.17.00
HP ProDesk 405 G4 Desktop Mini PC
HP ProDesk 405 G4 Small Form Factor PC Firmware=02.12.00
HP ProDesk 405 G4 Small Form Factor PC
HP ProDesk 480 G4 Microtower PC Firmware=2.4
HP ProDesk 480 G4 Microtower PC
HP ProDesk 480 G5 Microtower Firmware=02.17.00
HP ProDesk 480 G5 Microtower PC
HP ProDesk 480 G6 Microtower Firmware=02.11.00
HP ProDesk 480 G6 Microtower PC
HP ProDesk 600 G3 Desktop Mini PC Firmware=2.4
HP ProDesk 600 G3 Desktop Mini PC
HP ProDesk 600 G3 Microtower=2.4
HP ProDesk 600 G3 SFF
HP ProDesk 600 G3 Small Form Factor Firmware=2.4
HP ProDesk 600 G3 Small Form Factor Firmware
HP ProDesk 600 G4 Desktop Mini Firmware=02.18.00
HP ProDesk 600 G4 Desktop Mini Firmware
HP ProDesk 600 G4 Microtower Firmware=02.17.00
HP ProDesk 600 G4 Microtower PC (with PCI slot) Firmware
HP ProDesk 600 G4 Small Form Factor PC Firmware=02.18.00
HP ProDesk 600 G4 Small Form Factor PC
HP ProDesk 600 G5 Desktop Mini PC Firmware=02.11.00
HP ProDesk 600 G5
HP ProDesk 600 G5 Microtower PC Firmware=02.11.00
HP ProDesk 600 G5 MT
HP ProDesk 600 G5 Small Form Factor Firmware=02.11.00
HP ProDesk 600 G5 Small Form Factor PC
HP ProDesk 680 G3 Microtower PC Firmware=2.4
HP ProDesk 680 G3 Microtower
HP ProDesk 680 G4 Microtower PC Firmware=02.17.00
HP ProDesk 680 G4 Microtower PC (with PCI slot)
HP ProOne 400 G3 20-inch Non-Touch All-in-One PC Firmware=2.4
HP ProOne 400 G3 20-inch Non-Touch All-in-One
HP ProOne 400 G3 20-inch Touch All-in-One Firmware=2.4
HP ProOne 400 G3 20-inch Touch All-in-One PC
HP ProOne 400 G4 20-inch Non-Touch All-in-One Business PC Firmware=02.17.00
HP ProOne 400 G4 20-inch Non-Touch All-in-One Business
HP ProOne 400 G4 23.8-inch Non-Touch All-in-One Business PC Firmware=02.17.00
HP ProOne 400 G4 23.8-inch Non-Touch All-in-One Business PC Firmware
HP ProOne 400 G5 20-inch All-in-One Business Firmware=02.11.01
HP ProOne 400 G5 20-inch All-in-One Business PC
HP ProOne 400 G5 23.8-Inch All-in-One Business Firmware=02.11.01
HP ProOne 400 G5 23.8-inch All-in-One Business PC Firmware
HP proone 440 g4 23.8-inch non-touch all-in-one business PC firmware=02.17.00
HP proone 440 g4 23.8-inch non-touch all-in-one business PC
HP proone 440 g5 23.8-in all-in-one business PC firmware=02.11.01
HP proone 440 g5 23.8-in all-in-one business PC
HP proone 480 g3 20-inch non-touch all-in one PC firmware=2.4
HP proone 480 g3 20-inch non-touch all-in one PC
HP proone 600 g3 21.5-inch non-touch all-in-one PC firmware=2.4
HP proone 600 g3 21.5-inch non-touch all-in-one PC
HP proone 600 g4 21.5-inch touch all-in-one business PC firmware=02.17.00
HP proone 600 g4 21.5-inch touch all-in-one business PC
HP proone 600 g5 21.5-in all-in-one business PC firmware=02.11.01
HP proone 600 g5 21.5-in all-in-one business PC
HP Engage Flex Pro-C Retail System Firmware=02.17.00
HP Engage Flex Pro Retail System Firmware
HP Engage Flex Pro-C Retail System Firmware=02.17.00
HP Engage Flex Pro-C Retail System Firmware
HP Engage Go 10 Mobile System Firmware=01.08.00
HP Engage Go 10 Mobile System
HP Engage Go Mobile System Firmware=01.19.00
HP Engage Go 10 Mobile System
HP Engage One AIO System Firmware=02.40.00
HP Engage One Pro AIO System
HP mp9 g4 retail system firmware=02.17.00
HP mp9 g4 retail system firmware

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is the severity of CVE-2021-3809?

    The severity of CVE-2021-3809 is classified as high due to the potential for arbitrary code execution.

  • How do I fix CVE-2021-3809?

    To fix CVE-2021-3809, HP recommends applying the latest firmware updates released for affected HP PC products.

  • What HP products are affected by CVE-2021-3809?

    CVE-2021-3809 affects various HP products, including specific HP Elite and ProBook models with identified firmware versions.

  • Is there a workaround for CVE-2021-3809?

    Currently, HP does not provide any workarounds for CVE-2021-3809; the only mitigation is to update the firmware.

  • What types of vulnerabilities does CVE-2021-3809 represent?

    CVE-2021-3809 represents vulnerabilities in the BIOS (UEFI Firmware) that could lead to arbitrary code execution.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203