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Bulletins and Alerts for HP All-in-One - 20-c400la
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Security Bulletin
Customer Advisory
Title
Severity
Category
Updated on
HP Support Assistant DLL Loading Vulnerability
Medium
Security Bulletin
May 17, 2024
Intel Platform System BIOS Security Updates
High
Security Bulletin
May 16, 2024
HP Software Packages (SoftPaqs) – Potential Escalation of Privilege
High
Security Bulletin
May 15, 2024
HP Print and Scan Doctor for Windows - Potential Escalation of Privilege
High
Security Bulletin
May 15, 2024
BIOS Privilege Elevation Vulnerability
High
Security Bulletin
May 14, 2024
Intel Converged Security and Management Engine (CSME) and Power Management Controller (PMC) Security Updates
High
Security Bulletin
May 14, 2024
Intel Microarchitectural Data Sampling Security Updates
Medium
Security Bulletin
May 13, 2024
HP Support Assistant Escalation of Privilege Vulnerability
High
Security Bulletin
May 10, 2024
AMD Secure Processor and Promontory Chipset Exploits
Critical
Security Bulletin
May 3, 2024
Derivative Side-Channel Analysis Method
Medium
Security Bulletin
May 3, 2024
Privilege escalation via HPSFViewer
High
Security Bulletin
May 2, 2024
Privilege escalation in HP Support Assistant
High
Security Bulletin
May 2, 2024
Multiple vulnerabilities in HP Support Assistant
High
Security Bulletin
May 2, 2024
GRUB2 Bootloader Arbitrary Code Execution
High
Security Bulletin
May 2, 2024
Intel® 2020.2 IPU - CSME, SPS, TXE, AMT, and DAL Security Update
Critical
Security Bulletin
May 2, 2024
BIOS November 2020 Security Updates
High
Security Bulletin
May 2, 2024
HP Support Assistant Weak ACL and DLL Loading Vulnerability
High
Security Bulletin
May 2, 2024
HP Print and Scan Doctor - Local Elevation of Privilege
High
Security Bulletin
May 2, 2024
Intel® 2020.1 IPU Special Register Buffer Data Sampling and Improper Data Forwarding
Medium
Security Bulletin
May 2, 2024
Intel® 2020.1 IPU - CSME, SPS, TXT, AMT and DAL Security Updates
High
Security Bulletin
May 2, 2024
Realtek Audio Driver Security Update
---
Security Bulletin
May 2, 2024
Intel® Processors Data Leakage Advisory
Medium
Security Bulletin
May 2, 2024
Intel® Graphics Drivers August 2020 Security Updates
High
Security Bulletin
May 2, 2024
Intel® Chipset Device Software INF Utility Security Update
Medium
Security Bulletin
May 2, 2024
Intel® CSME February 2020 Security Update
High
Security Bulletin
May 2, 2024
Intel® Graphics Drivers March 2020 Security Updates
High
Security Bulletin
May 2, 2024
Intel® Processor Graphics January 2020 Security Update
Medium
Security Bulletin
May 2, 2024
Intel 2019.2 IPU Graphics Driver Security Updates
High
Security Bulletin
May 2, 2024
HP Connection Optimizer Escalation of Privilege
High
Security Bulletin
May 2, 2024
HP SoftPaq Installer Vulnerability
High
Security Bulletin
May 2, 2024
Intel AMT MEBx Bypass
Medium
Security Bulletin
May 2, 2024
Synaptics Touchpad Driver, Potential Local Loss of Confidentiality
Medium
Security Bulletin
May 2, 2024
HPSBHF03678 rev. 2 - GRUB2 Bootloader Arbitrary Code Execution
---
Security Bulletin
Jun 24, 2021
HPSBHF03703 rev. 4 - Intel® 2020.2 IPU - CSME, SPS, TXE, AMT, and DAL Security Update
---
Security Bulletin
Jun 2, 2021
HPSBHF03705 rev. 6 - BIOS November 2020 Security Updates
---
Security Bulletin
Apr 27, 2021
HP Desktop and Notebook PCs - New Micron 2200 SSD Firmware Released to Resolve Unknown Cause of Blue Screen or Hard Disk 3F0 Error
---
Customer Advisory
Mar 30, 2021
HPSBGN03722 rev. 1 - HP Support Assistant Weak ACL and DLL Loading Vulnerability
---
Security Bulletin
Mar 15, 2021
HP Desktops, Notebooks, Workstations, RPOS and Thin Client PCs - HP PC Hardware Diagnostics Windows Release Notification
---
Customer Advisory
Feb 9, 2021
HPSBHF03665 rev. 3 - Realtek Audio Driver Security Update
---
Security Bulletin
Oct 27, 2020
HPSBHF03667 rev. 2 - Intel® 2020.1 IPU - CSME, SPS, TXT, AMT and DAL Security Updates
---
Security Bulletin
Oct 27, 2020
HPSBHF03668 rev. 4 - Intel® 2020.1 IPU Special Register Buffer Data Sampling and Improper Data Forwarding
---
Security Bulletin
Oct 27, 2020
HPSBHF03670 rev. 2 - Intel® Processors Data Leakage Advisory
---
Security Bulletin
Oct 26, 2020
HPSBHF03631 rev. 6 - BIOS Privilege Elevation Vulnerability
---
Security Bulletin
Oct 15, 2020
HPSBHF03681 rev. 2 - Intel® Graphics Drivers August 2020 Security Updates
---
Security Bulletin
Oct 9, 2020
HPSBHF03656 rev. 4 - Intel® Chipset Device Software INF Utility Security Update
---
Security Bulletin
Oct 6, 2020
HPSBHF03651 rev. 4 - Intel® CSME February 2020 Security Update
---
Security Bulletin
Oct 2, 2020
HPSBHF03618 rev. 8 - Intel Microarchitectural Data Sampling Security Updates
---
Security Bulletin
Sep 10, 2020
HPSBHF03658 rev. 3 - Intel® Graphics Drivers March 2020 Security Updates
---
Security Bulletin
Jul 10, 2020
HPSBHF03652 rev.3 - Intel® Processor Graphics January 2020 Security Update
---
Security Bulletin
Jun 25, 2020
HPSBHF03636 rev. 4 - Intel 2019.2 IPU Graphics Driver Security Updates
---
Security Bulletin
Jun 23, 2020
HP PCs - HP PC Hardware Diagnostics (UEFI) Version 7.6.0.0 Release Notification
---
Customer Advisory
Jun 1, 2020
HPSBHF03661 rev. 1 - HP Connection Optimizer Escalation of Privilege
---
Security Bulletin
Mar 20, 2020
HPSBHF03606 rev. 2 - Intel Platform System BIOS Security Updates
---
Security Bulletin
Feb 12, 2020
HPSBGN03632 rev. 1 - HP SoftPaq Installer Vulnerability
---
Security Bulletin
Jan 17, 2020
HPSBHF03607 rev. 3 - Intel CSME, Trusted Execution Engine (TXE), Active Management Technology (AMT) Security Updates
---
Security Bulletin
Oct 25, 2019
HPSBHF03598 rev. 6 - EDK II Untested Memory Not Covered by SMM Page Protections
---
Security Bulletin
Oct 23, 2019
HPSBHF03609 rev. 3 - TPM Platform Configuration Vulnerability After S3 Resume
---
Security Bulletin
Sep 23, 2019
HPSBGN03620 rev. 4 - HP Support Assistant Escalation of Privilege Vulnerability
---
Security Bulletin
Jun 23, 2019
HPSBHF03595 rev. 6 - LoJax UEFI Rootkit
---
Security Bulletin
Apr 23, 2019
HPSBHF03581 rev. 4 - AMD Secure Processor and Promontory Chipset Exploits
---
Security Bulletin
Mar 21, 2019
HPSBGN03605 rev.1 - HP Support Assistant DLL Loading Vulnerability
---
Security Bulletin
Feb 21, 2019
HPSBHF03593 rev. 2 - Firmware Trusted Platform Module (fTPM) for Select AMD Client Systems
---
Security Bulletin
Feb 7, 2019
HPSBHF03592 rev. 3 - Intel Converged Security and Management Engine (CSME) and Power Management Controller (PMC) Security Updates
---
Security Bulletin
Dec 11, 2018
HPSBHF03584 rev. 8 - Derivative Side-Channel Analysis Method
---
Security Bulletin
Dec 3, 2018
HP Computers with AMD CPUs - High CPU Utilization Causes Reduced Performance and Fan Noise After Installing Certain Windows Updates
---
Customer Advisory
Sep 26, 2018
HPSBHF03590 rev. 2 - L1 Terminal Fault (L1TF)
---
Security Bulletin
Aug 15, 2018
HPSBHF03582 rev. 2 - KRACK Vulnerability Affecting WPA2 Wireless Security
---
Security Bulletin
Apr 24, 2018
HPSBGN03561 rev.2 - HP Support Assistant Potential Escalation of Privilege
---
Security Bulletin
Sep 5, 2017
HPSBHF03557 rev. 1 - Intel Active Management Technology, Intel Small Business Technology, and Intel Standard Manageability Remote Privilege Escalation
---
Security Bulletin
May 4, 2017
HP All-in-One - 20-c400la
Welcome to the product support page!
HP All-in-One - 20-c400la

HP All-in-One - 20-c400la

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Alert
Learn more
Typical locations you may find a serial number on your product:
  • Back of product
  • Under the battery
  • For laptops, press  Fn + Esc
  • For desktops, press Ctrl + Alt + s
  • For Chromebooks, on the sign in screen, press Alt + v
  • On the barcode

Support categories

Troubleshooting
Security & Viruses
Software & Drivers
Setup & User Guides
Product Specifications
Account & Registration
Warranty & Repair
Tools & Diagnostics

Product specifications

Product name
HP All-in-One - 20-c400la
Submit
Alert
Learn more
Typical locations you may find a serial number on your product:
  • Back of product
  • Under the battery
  • For laptops, press  Fn + Esc
  • For desktops, press Ctrl + Alt + s
  • For Chromebooks, on the sign in screen, press Alt + v
  • On the barcode

Support options

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