CVE-2019-16284

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-11-05 · updated 2026-06-17

Description

A potential security vulnerability has been identified in multiple HP products and versions which involves possible execution of arbitrary code during boot services that can result in elevation of privilege. The EFI_BOOT_SERVICES structure might be overwritten by an attacker to execute arbitrary SMM (System Management Mode) code. A list of affected products and versions are available in https://support.hp.com/rs-en/document/c06456250.

Affected products

HP 260 G1 Dm Firmware: before 2.27 — fixed in 2.27
HP 280 Pro G1 Firmware: before 80.3 — fixed in 80.3
HP 285 G2 Firmware: before a0.23 — fixed in a0.23
HP 340 G3 Firmware: before f.48 — fixed in f.48
HP 340 G4 Firmware: before f.55 — fixed in f.55
HP 346 G3 Firmware: before f.48 — fixed in f.48
HP 346 G4 Firmware: before f.46 — fixed in f.46
HP 348 G3 Firmware: before f.48 — fixed in f.48
HP 348 G4 Firmware: before f.55 — fixed in f.55
HP Elite Slice Firmware: before 2.42 — fixed in 2.42
HP Elite X2 1011 G1 Firmware: before 1.27 — fixed in 1.27
HP Elite X2 1012 G1 Firmware: before 1.42 — fixed in 1.42
HP Elitebook 1030 G1 Firmware: before 1.42 — fixed in 1.42
HP Elitebook 1040 G2 Firmware: before 1.17 — fixed in 1.17
HP Elitebook 720 G1 Firmware: before 1.48 — fixed in 1.48
HP Elitebook 720 G2 Firmware: before 1.29 — fixed in 1.29
HP Elitebook 740 G1 Firmware: before 1.48 — fixed in 1.48
HP Elitebook 740 G2 Firmware: before 1.29 — fixed in 1.29
HP Elitebook 750 G1 Firmware: before 1.48 — fixed in 1.48
HP Elitebook 750 G2 Firmware: before 1.29 — fixed in 1.29
HP Elitebook 820 G1 Firmware: before 1.48 — fixed in 1.48
HP Elitebook 820 G2 Firmware: before 1.29 — fixed in 1.29
HP Elitebook 820 G3 Firmware: before 1.42 — fixed in 1.42
HP Elitebook 828 G3 Firmware: before 1.42 — fixed in 1.42
HP Elitebook 840 G1 Firmware: before 1.48 — fixed in 1.48
HP Elitebook 840 G2 Firmware: before 1.29 — fixed in 1.29
HP Elitebook 840 G3 Firmware: before 1.42 — fixed in 1.42
HP Elitebook 848 G3 Firmware: before 1.42 — fixed in 1.42
HP Elitebook 850 G1 Firmware: before 1.48 — fixed in 1.48
HP Elitebook 850 G2 Firmware: before 1.29 — fixed in 1.29

How to fix

Upgrade to a fixed version: HP 260 G1 Dm Firmware 2.27; HP 280 Pro G1 Firmware 80.3; HP 285 G2 Firmware a0.23; HP 340 G3 Firmware f.48; HP 340 G4 Firmware f.55; HP 346 G3 Firmware f.48; HP 346 G4 Firmware f.46; HP 348 G3 Firmware f.48; HP 348 G4 Firmware f.55; HP Elite Slice Firmware 2.42; HP Elite X2 1011 G1 Firmware 1.27; HP Elite X2 1012 G1 Firmware 1.42. Check the vendor advisory for mitigations.

References

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