high
7.8
CWE
269
Advisory Published
Updated

CVE-2021-3808

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
=01.12.00
=1.41
=01.19.00
=01.12.00
=1.41
=01.19.00
=1.4
=01.20.00
=01.19.00
=1.4
=01.20.00
=01.19.00
=1.4
=01.20.00
=1.41
=1.41
=01.19.00
=01.12.00
=01.19.00
=01.12.00
=1.41
=01.19.00
=01.12.00
=01.19.00
=01.19.00
=1.41
=1.41
=01.19.00
=01.12.00
=1.41
=1.41
=01.19.00
=01.12.00
=01.19.00
=01.12.00
=01.19.00
=01.12.00
=1.41
=1.55
=1.41
=01.20.00
=01.19.00
=1.41
=01.20.00
=01.19.00
=01.19.00
=01.19.00
=1.41
=01.20.00
=01.19.00
=1.4
=01.20.00
=01.19.00
=01.19.00
=1.41
=01.20.00
=1.41
=01.20.00
=01.12.00
=1.4
=01.20.00
=1.41
=01.20.00
=01.12.00
=1.4
=1.43
=01.17.00
=01.13.00
=01.19.00
=1.41
=01.19.00
=01.12.00
=1.41
=01.19.00
=01.12.00
=1.41
=01.19.00
=01.12.00
=1.41
=01.19.00
=01.12.00
=1.41
=01.19.00
=01.19.00
=1.41
=01.19.00
=01.19.00
=01.19.00
=01.20.00
=01.12.00
=1.31
=02.11.00
=1.83
=01.08.01
=01.04.02
=01.08.01
=01.04.02
=01.08.01
=01.04.02
=1.83
=1.83
=1.83
=01.21.01
=01.21.01
=01.21.01
=01.21.01
=2.55
=2.55
=2.38
=2.38
=2.38
=02.17.00
=02.17.00
=02.12.00
=02.17.00
=02.11.00
=02.11.00
=2.4
=02.18.00
=2.4
=02.18.00
=02.18.00
=2.4
=2.4
=02.17.00
=02.17.00
=02.17.00
=02.11.00
=02.11.00
=02.11.00
=2.4
=02.17.00
=02.11.00
=2.4
=02.18.00
=2.4
=02.18.00
=2.11.01
=2.4
=02.18.00
=2.4
=2.4
=02.11.00
=02.17.00
=2.17
=02.11.00
=02.11.00
=02.17.00
=02.12.00
=2.4
=02.17.00
=02.11.00
=2.4
=2.4
=2.4
=02.18.00
=02.17.00
=02.18.00
=02.11.00
=02.11.00
=02.11.00
=2.4
=02.17.00
=2.4
=2.4
=02.17.00
=02.17.00
=02.11.01
=02.11.01
=02.17.00
=02.11.01
=2.4
=2.4
=02.17.00
=02.11.01
=02.17.00
=02.17.00
=01.08.00
=01.19.00
=02.40.00
=02.17.00
All of
HP Elite Dragonfly Firmware=01.12.00
HP Elite Dragonfly
All of
HP Elite x2 1012 G2 Firmware=1.41
HP Elite x2 1012 G2 Firmware
All of
HP Elite x2 1013 G3=01.19.00
HP Elite x2 1013 G3 Firmware
All of
HP Elite x2 G4=01.12.00
HP Elite x2 G4 Firmware
All of
HP EliteBook 1040 G4=1.41
HP EliteBook 1040 G4 Firmware
All of
HP EliteBook 1050 G1 Firmware=01.19.00
HP EliteBook 1050 G1
All of
HP EliteBook 725 G4 Firmware=1.4
HP EliteBook 725 G4 Firmware
All of
HP EliteBook 735 G5=01.20.00
HP EliteBook 735 G5
All of
HP EliteBook 735 G6=01.19.00
HP EliteBook 735 G6 Firmware
All of
HP EliteBook 745 G4 Firmware=1.4
HP EliteBook 745 G4 Firmware
All of
HP EliteBook 745 G5 Firmware=01.20.00
HP EliteBook 745 G5 Firmware
All of
HP EliteBook 745 G6 Firmware=01.19.00
HP EliteBook 745 G6
All of
HP EliteBook 755 G4 Firmware=1.4
HP EliteBook 755 G4 Firmware
All of
HP EliteBook 755 G5 Firmware=01.20.00
HP EliteBook 755 G5 Firmware
All of
HP EliteBook 820 G4 Firmware=1.41
HP EliteBook 820 G4 Firmware
All of
HP EliteBook 828 G4 Firmware=1.41
HP EliteBook 828 G4 Firmware
All of
HP EliteBook 830 G5 Firmware=01.19.00
HP EliteBook 830 G5 Firmware
All of
HP EliteBook x360 830 G6 Firmware=01.12.00
HP EliteBook 830 G6 Firmware
All of
HP EliteBook 836 G5=01.19.00
HP EliteBook 836 G5 Firmware
All of
HP EliteBook 836 G6 Firmware=01.12.00
HP EliteBook 836 G6 Firmware
All of
HP EliteBook 840 G4=1.41
HP EliteBook 840 G4 Firmware
All of
HP EliteBook 840 G5 Healthcare Edition Firmware=01.19.00
HP EliteBook 840 G5 Healthcare Edition
All of
HP EliteBook 840 G6 Firmware=01.12.00
HP EliteBook 840 G6 Firmware
All of
HP EliteBook 840 G4 Firmware=01.19.00
HP EliteBook 840 G4
All of
HP EliteBook 846 G5=01.19.00
HP EliteBook 846 G5 Healthcare Edition
All of
HP EliteBook 848 G4 Firmware=1.41
HP EliteBook 848 G4 Firmware
All of
HP EliteBook 850 G4 Firmware=1.41
HP EliteBook 850 G4 Firmware
All of
HP EliteBook 850 G5 Firmware=01.19.00
HP EliteBook 850 G5 Firmware
All of
HP EliteBook 850 G6 Firmware=01.12.00
HP EliteBook 850 G6 Firmware
All of
HP EliteBook x360 1020 G2=1.41
HP EliteBook x360 1020 G2
All of
HP EliteBook x360 1030 G2 Firmware=1.41
HP EliteBook x360 1030 G2 Firmware
All of
HP EliteBook x360 1030 G3 Firmware=01.19.00
HP EliteBook x360 1030 G3 Firmware
All of
HP EliteBook x360 1030 G4=01.12.00
HP EliteBook x360 1030 G4 Firmware
All of
HP EliteBook x360 1040 G5=01.19.00
HP EliteBook x360 1040 G5 Firmware
All of
HP EliteBook x360 1040 G6=01.12.00
HP EliteBook x360 1040 G6
All of
HP EliteBook x360 830 G5 Firmware=01.19.00
HP EliteBook x360 830 G5 Firmware
All of
HP EliteBook x360 830 G6 Firmware=01.12.00
HP EliteBook x360 830 G6 Firmware
All of
HP Pro x2 612 G2 Firmware=1.41
HP Pro x2 612 G2 Firmware
All of
HP ProBook 11 G2 Education Edition Firmware=1.55
HP ProBook 11 G2 Education Edition
All of
HP ProBook 430 G4 Firmware=1.41
HP ProBook 430 G4
All of
HP ProBook 430 G5 Firmware=01.20.00
HP ProBook 430 G5 Firmware
All of
HP ProBook 430 G6=01.19.00
HP ProBook 430 G6 Firmware
All of
HP ProBook 440 G4 Firmware=1.41
HP ProOne 440 G4
All of
HP ProBook 440 G5 Firmware=01.20.00
HP ProBook 440 G5 Firmware
All of
HP ProBook 440 G6=01.19.00
HP ProBook 440 G6 Firmware
All of
HP ProBook 445R G6=01.19.00
HP ProBook 445R G6
All of
HP ProBook 445R G6=01.19.00
HP ProBook 445 G6 Firmware
All of
HP ProBook 450 G4 Firmware=1.41
HP ProBook 450 G4 Firmware
All of
HP ProBook 450 G5 Firmware=01.20.00
HP ProBook 450 G5 Firmware
All of
HP ProBook 450 G6 Firmware=01.19.00
HP ProBook 450 G6 Firmware
All of
HP ProBook 455 Firmware=1.4
HP ProBook 455 G4 Firmware
All of
HP ProBook 455 Firmware=01.20.00
HP ProBook 455 G5 Firmware
All of
HP ProBook 455 G6 Firmware=01.19.00
HP ProBook 455 G6 Firmware
All of
HP ProBook 455r G6 Firmware=01.19.00
HP ProBook 455r G6 Firmware
All of
HP ProBook 470 G4 Firmware=1.41
HP ProBook 470 G4 Firmware
All of
HP ProBook 470 G5 Firmware=01.20.00
HP ProBook 470 G5 Firmware
All of
HP ProBook 640 G3 Firmware=1.41
HP ProBook 640 G3 Firmware
All of
HP ProBook 640 G4 Firmware=01.20.00
HP ProBook 640 G4 Firmware
All of
HP ProBook 640 G5=01.12.00
HP ProBook 640 G5 Firmware
All of
HP ProBook 645 G3 Firmware=1.4
HP ProBook 645 G3 Firmware
All of
HP ProBook 645 G4 Firmware=01.20.00
HP ProBook 645 G4 Firmware
All of
HP ProBook 650 G3 Firmware=1.41
HP ProBook 650 G3 Firmware
All of
HP ProBook 650 G4=01.20.00
HP ProBook 650 G4
All of
HP ProBook 650 G5 Firmware=01.12.00
HP ProBook 650 G5 Firmware
All of
HP ProBook 655 G3 Firmware=1.4
HP ProBook 655 G3 Firmware
All of
HP ProBook x360 11 G2 EE=1.43
HP ProBook x360 11 G2 Firmware
All of
HP ProBook x360 11 G3 Education Edition Firmware=01.17.00
HP ProBook x360 11 G3 EE Firmware
All of
HP ProBook x360 11 G4 Education Edition Firmware=01.13.00
HP ProBook x360 11 G4 EE Firmware
All of
HP ProBook x360 440 G1 Firmware=01.19.00
HP ProBook x360 440 G1 Firmware
All of
HP ZBook 14u G4 Firmware=1.41
HP ZBook 14u G4 Firmware
All of
HP ZBook 14u G5 Firmware=01.19.00
HP ZBook 14u G5 Firmware
All of
HP ZBook 14u G6 Firmware=01.12.00
HP ZBook 14u G6 Mobile Workstation
All of
HP ZBook 15 G4 Firmware=1.41
HP ZBook 15u G4
All of
HP ZBook 15 G5=01.19.00
HP ZBook 15 G5 Firmware
All of
HP ZBook 15u G6 Firmware=01.12.00
HP ZBook 15 G6
All of
HP ZBook 15 G4 Firmware=1.41
HP ZBook 15u G4 Firmware
All of
HP ZBook 15u G5=01.19.00
HP ZBook 15u G5 Firmware
All of
HP ZBook 15u G6 Firmware=01.12.00
HP ZBook 15u G6 Firmware
All of
HP ZBook 17 G4=1.41
HP ZBook 17 G4 Firmware
All of
HP ZBook 17 G5 Firmware=01.19.00
HP ZBook 17
All of
HP ZBook 17 G6=01.12.00
HP ZBook 17 G6 Firmware
All of
HP ZBook Studio G4 Firmware=1.41
HP ZBook Studio x2 G4
All of
HP ZBook Studio G5=01.19.00
HP ZBook Studio G5
All of
HP ZBook Studio x360 G5 Firmware=01.19.00
HP ZBook Studio x360 G5 Firmware
All of
HP ZBook x2 G4=1.41
HP ZBook x2 G4 Firmware
All of
HP Zhan 66 Pro 13 G2=01.19.00
HP Zhan 66 Pro 13 G2 Firmware
All of
HP Zhan 66 Pro 14 G2 Firmware=01.19.00
HP Zhan 66 Pro 14 G2 Firmware
All of
HP Zhan 66 Pro 15 G2=01.19.00
HP Zhan 66 Pro 15 G2
All of
HP Zhan 66 Pro G1 Microtower PC Firmware=01.20.00
HP Zhan 66 Pro G1 Firmware
All of
HP Zhan X 13 G2 Firmware=01.12.00
HP Zhan X 13 G2 Firmware
All of
HP z1 all-in-one g3 Firmware=1.31
HP z1 all-in-one g3 Firmware
All of
HP z1 entry tower g5 Firmware=02.11.00
HP z1 entry tower g5 Firmware
All of
HP z2 mini g3 Firmware=1.83
HP Z2 Mini G3
All of
HP Z2 Mini G4 Firmware=01.08.01
HP Z2 Mini G4 Firmware
All of
HP z2 mini G5=01.04.02
HP z2 mini G5
All of
HP Z2 Small Form Factor G4 Firmware=01.08.01
HP Z2 Small Form Factor G4
All of
HP Z2 Small Form Factor G5=01.04.02
HP Z2 Small Form Factor G5
All of
HP Z2 Tower G4 Firmware=01.08.01
HP Z2 Tower G4
All of
HP Z2 Tower G5 Firmware=01.04.02
HP HP z2 tower g5 Firmware
All of
HP z238 Microtower Firmware=1.83
HP z238 microtower
All of
HP z240 small form factor Firmware=1.83
HP z240 small form factor
All of
HP Z240 Tower Firmware=1.83
HP Z240 Tower
All of
HP mt21 mobile thin client Firmware=01.21.01
HP Mt21 Thin Client
All of
Hp Mt31 Thin Client Firmware=01.21.01
HP mt31 mobile thin client
All of
HP mt44 mobile thin client Firmware=01.21.01
HP mt44 mobile thin client Firmware
All of
HP mt45 mobile thin client Firmware=01.21.01
HP mt45 mobile thin client
All of
HP Elite Slice Firmware=2.55
HP Elite Slice Firmware
All of
HP Elite Slice G2 Firmware=2.55
HP Elite Slice G2 Firmware
All of
HP EliteDesk 705 G3 Desktop Mini PC Firmware=2.38
HP Elitedesk 705 G3 Desktop Mini PC
All of
HP EliteDesk 705 G3 Firmware=2.38
HP EliteDesk 705 G3 Microtower PC firmware
All of
HP EliteDesk 705 G3 Small Form Factor PC Firmware=2.38
HP EliteDesk 705 G3 SFF PC
All of
HP EliteDesk 705 G4 Desktop Mini Firmware=02.17.00
HP Elitedesk 705 G4 Desktop Mini
All of
HP EliteDesk 705 G4 Microtower PC firmware=02.17.00
HP EliteDesk 705 G4 Microtower
All of
HP EliteDesk 705 G4 Small Form Factor Firmware=02.12.00
HP EliteDesk 705 G4
All of
HP EliteDesk 705 G4 Workstation Edition Firmware=02.17.00
HP Elitedesk 705 G4 Workstation Firmware
All of
HP EliteDesk 705 G5 Desktop Mini Firmware=02.11.00
HP EliteDesk 705 G5 Desktop Mini
All of
HP Elitedesk 705 G5 Small Form Factor Firmware=02.11.00
HP EliteDesk 705 G5 Small Form Factor
All of
HP EliteDesk 800 35w G3 Desktop Mini Firmware=2.4
HP Elitedesk 800 35w G3 Desktop Mini
All of
HP EliteDesk 800 35w G4 Desktop Mini Firmware=02.18.00
HP EliteDesk 800 35w G4 Desktop Mini
All of
HP EliteDesk 800 65W G3 Desktop Mini=2.4
HP EliteDesk 800 65W G3 Desktop Mini
All of
HP Elitedesk 800 65W G4 Desktop Mini PC=02.18.00
HP Elitedesk 800 65W G4 Desktop Mini
All of
HP EliteDesk 800 95W G4 Desktop Mini Firmware=02.18.00
HP EliteDesk 800 95W G4 Desktop Mini Firmware
All of
HP EliteDesk 800 G3 Small Form Factor PC Firmware=2.4
HP EliteDesk 800 G3 Small Form Factor PC Firmware
All of
HP EliteDesk 800 G3 Tower Firmware=2.4
HP EliteDesk 800 G3 Tower Firmware
All of
HP Elitedesk 800 G4 Small Form Factor PC Firmware=02.17.00
HP EliteDesk 800 G4
All of
HP EliteDesk 800 G4 Tower PC Firmware=02.17.00
HP Elitedesk 800 G4 Tower PC Firmware
All of
HP EliteDesk 800 G4 Workstation Firmware=02.17.00
HP EliteDesk 800 G4 Workstation Firmware
All of
HP EliteDesk 800 G5 Desktop Mini=02.11.00
HP EliteDesk 800 G5 Desktop Mini
All of
HP EliteDesk 800 G5 SFF Firmware=02.11.00
HP EliteDesk 800 G5 Small Form Factor
All of
HP EliteDesk 800 G5 Tower Firmware=02.11.00
HP EliteDesk 800 G5 Tower
All of
HP EliteDesk 880 G3 Firmware=2.4
HP EliteDesk 880 G3 Tower PC Firmware
All of
HP Elitedesk 880 G4 Tower Firmware=02.17.00
HP EliteDesk 880 G4
All of
HP EliteDesk 880 G5 Tower PC Firmware=02.11.00
HP EliteDesk 880 G5 Tower
All of
HP EliteOne 1000 G1 23.8-in Touch All-in-One Business PC Firmware=2.4
HP EliteOne 1000 G1
All of
HP EliteOne 1000 G2 23.8-in All-in-One Business Firmware=02.18.00
HP EliteOne 1000 G2 23.8-in Touch All-in-One Business
All of
HP EliteOne 800 G3 23.8 Non-Touch Healthcare Edition All-in-One Business PC Firmware=2.4
HP EliteOne 800 G3 23.8 Non-Touch All-in-One Business PC Firmware
All of
HP EliteOne 800 G4 23.8-in All-in-One Business Firmware=02.18.00
HP EliteOne 800 G4 23.8-in Healthcare Edition All-in-One Business PC Firmware
All of
HP EliteOne 800 G5 23.8-inch All-in-One Firmware=2.11.01
HP EliteOne 800 G5 23.8-inch All-in-One Firmware
All of
HP ProDesk 400 G3 DM Firmware=2.4
HP ProDesk 400 G3 Desktop Mini
All of
HP ProDesk 400 G4 Desktop Mini Firmware=02.18.00
HP ProDesk 400 G4 Desktop Mini
All of
HP ProDesk 400 G4 Microtower Firmware=2.4
HP ProDesk 400 G4 Microtower PC
All of
HP ProDesk 400 G4 Small Form Factor Firmware=2.4
HP ProDesk 400 G4 Small Form Factor
All of
HP ProDesk 400 G5 Desktop Mini Firmware=02.11.00
HP ProDesk 400 G5 Desktop Mini
All of
HP ProDesk 400 G5 Microtower firmware=02.17.00
HP ProDesk 400 G5 Microtower PC Firmware
All of
HP ProDesk 400 G5 Small Form Factor PC Firmware=2.17
HP ProDesk 400 G5 Small Form Factor
All of
HP ProDesk 400 G6 Microtower Firmware=02.11.00
HP ProDesk 400 G6 Microtower Firmware
All of
HP ProDesk 400 G6 Small Form Factor PC=02.11.00
HP ProDesk 400 G6 Small Form Factor
All of
HP ProDesk 405 G4 Firmware=02.17.00
HP ProDesk 405 G4
All of
HP ProDesk 405 G4 Small Form Factor Firmware=02.12.00
HP ProDesk 405 G4 Small Form Factor Firmware
All of
HP ProDesk 480 G4 Microtower Firmware=2.4
HP ProDesk 480 G4 Microtower Firmware
All of
HP ProDesk 480 G5 Microtower Firmware=02.17.00
HP ProDesk 480 G5 Microtower
All of
HP ProDesk 480 G6 Microtower Firmware=02.11.00
HP ProDesk 480 G6
All of
HP ProDesk 600 G3 Desktop Mini Firmware=2.4
HP ProDesk 600 G3 Desktop Mini PC Firmware
All of
HP ProDesk 600 G3 Microtower=2.4
HP ProDesk 600 G3 SFF
All of
HP ProDesk 600 G3 Small Form Factor Firmware=2.4
HP ProDesk 600 G3
All of
HP ProDesk 600 G4 Desktop Mini Firmware=02.18.00
HP ProDesk 600 G4 Desktop Mini Firmware
All of
HP ProDesk 600 G4 Microtower=02.17.00
HP ProDesk 600 G4
All of
HP ProDesk 600 G4 Small Form Factor Firmware=02.18.00
HP ProDesk 600 G4 Small Form Factor Firmware
All of
HP ProDesk 600 G5 Desktop Mini=02.11.00
HP ProDesk 600 G5 Desktop Mini
All of
HP ProDesk 600 G5 Microtower=02.11.00
HP ProDesk 600 G5 Microtower PC (with PCI slot) Firmware
All of
HP ProDesk 600 G5 Small Form Factor Firmware=02.11.00
HP ProDesk 600 G5 Small Form Factor Firmware
All of
HP ProDesk 680 G3 Microtower Firmware=2.4
HP ProDesk 680 G3 Microtower
All of
HP ProDesk 680 G4 Microtower Firmware=02.17.00
HP ProDesk 680 G4
All of
HP ProOne 400 G3 20-inch Non-Touch All-in-One Firmware=2.4
HP ProOne 400 G3 20-inch Non-Touch All-in-One Firmware
All of
HP ProOne 400 G3 20-inch Touch All-in-One Firmware=2.4
HP ProOne 400 G3 20-inch Touch All-in-One
All of
HP ProOne 400 G4 20-inch Non-Touch All-in-One Business Firmware=02.17.00
HP ProOne 400 G4 20-inch Non-Touch All-in-One Business
All of
HP ProOne 400 G4 23.8-inch Non-Touch All-in-One Business Firmware=02.17.00
HP ProOne 400 G4 23.8-inch Non-Touch All-in-One Business PC Firmware
All of
HP ProOne 400 G5 20-inch All-in-One Business Firmware=02.11.01
HP ProOne 400 G5 20-inch All-in-One Business
All of
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
All of
HP ProOne 440 G4 23.8-inch Non-Touch All-in-One Business Firmware=02.17.00
HP ProOne 440 G4 23.8-inch Non-Touch All-in-One Business Firmware
All of
HP ProOne 440 G5 23.8-in All-in-One Business Firmware=02.11.01
HP ProOne 440 G5 23.8-in All-in-One Business Firmware
All of
HP ProOne 480 G3 20-Inch Non-Touch All-in-One Firmware=2.4
HP ProOne 480 G3 20-Inch Non-Touch All-in-One Firmware
All of
HP ProOne 600 G3 21.5-inch Non-Touch All-in-One Firmware=2.4
HP ProOne 600 G3 21.5-inch Non-Touch All-in-One
All of
HP ProOne 600 G4 21.5-inch Touch All-in-One Business Firmware=02.17.00
HP ProOne 600 G4 21.5-inch Touch All-in-One Business Firmware
All of
HP ProOne 600 G5 21.5-in All-in-One Business Firmware=02.11.01
HP ProOne 600 G5 21.5-in All-in-One Business PC Firmware
All of
HP Engage Flex Pro-C Retail System Firmware=02.17.00
HP Engage Flex Pro Retail System Firmware
All of
HP Engage Flex Pro-C Retail System Firmware=02.17.00
HP Engage Flex Pro-C Retail System Firmware
All of
HP Engage Go 10 Mobile System Firmware=01.08.00
HP Engage Go 10 Mobile System
All of
HP Engage Go 10 Mobile System Firmware=01.19.00
HP Engage Go Mobile System Firmware
All of
HP Engage One Pro AIO System Firmware=02.40.00
HP Engage One Pro AIO System
All of
HP MP9 G4 Retail System Firmware=02.17.00
HP mp9 g4 retail system firmware

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-3808?

    CVE-2021-3808 is rated as critical due to its potential to allow arbitrary code execution.

  • How do I fix CVE-2021-3808?

    To fix CVE-2021-3808, apply the latest firmware updates released by HP for the affected models.

  • Which HP products are affected by CVE-2021-3808?

    CVE-2021-3808 affects several HP PC products, including specific models of Elite and ProBook series.

  • What type of vulnerability is CVE-2021-3808?

    CVE-2021-3808 is a firmware vulnerability that could lead to arbitrary code execution in affected HP products.

  • Is CVE-2021-3808 being actively exploited?

    As of now, there is no public indication that CVE-2021-3808 is being actively exploited in the wild.

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