CVE intelligence and bounded remediation

CVE-2019-16284 — Hp 260 G1 Dm Firmware security vulnerability

High CVSS 9

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.

Severity
High
CVSS
9 (2.0)
Published
2019-11-05
CISA KEV
Not currently listed
Ecosystem
operating-system

Affected products

  • hp / 260_g1_dm_firmware
  • hp / 280_pro_g1_firmware
  • hp / 285_g2_firmware
  • hp / 340_g3_firmware
  • hp / 340_g4_firmware
  • hp / 346_g3_firmware

Showing 6 representative product identities from 103 source matches. Confirm exact affected versions with the linked vendor and NVD evidence.

Matched remediation archetype

Privilege escalation and unsafe privilege management

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Map service accounts, operating-system identities, roles, capabilities, impersonation, set-user transitions, and administrative helper paths.
  • Determine whether untrusted users or lower-privilege processes can reach the affected transition or modify inputs it trusts.
  • Review file, socket, registry, device, job, container, and cloud-role permissions used before and after privilege changes.

Remediate safely

  • Apply the supported fix and redesign privileged operations as a minimal, authenticated, allowlisted interface.
  • Drop privileges before processing untrusted input, verify the drop succeeds, and remove unnecessary roles, capabilities, and write permissions.
  • Validate ownership and permissions at time of use and add explicit lower-to-higher privilege boundary tests.

Authoritative sources

Complete CVE record and remediation plan

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