# CVE-2019-16284: Privilege escalation in Multiple - See https://support.hp.com/rs-en/document/c06456250

> Attackers can overwrite EFI boot services to execute arbitrary SMM code, leading to privilege escalation and code execution on HP devices.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Nov 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-8x49-r627-jgw5

## What is CVE-2019-16284?

CVE-2019-16284 is a high-severity vulnerability in Multiple - See https://support.hp.com/rs-en/document/c06456250, published on 5 Nov 2019. An attacker needs administrator access to exploit it, with no action from the victim.

### Official 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.

## Which versions are affected by CVE-2019-16284?

It affects 102 products.


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, Hp 346 G4 Firmware, Hp 348 G3 Firmware, Hp 348 G4 Firmware, Hp Elite Slice Firmware, Hp Elite X2 1011 G1 Firmware, Hp Elite X2 1012 G1 Firmware, Hp Elitebook 1030 G1 Firmware, Hp Elitebook 1040 G2 Firmware, Hp Elitebook 720 G1  Firmware, Hp Elitebook 720 G2 Firmware, Hp Elitebook 740 G1 Firmware, Hp Elitebook 740 G2 Firmware, Hp Elitebook 750 G1 Firmware, Hp Elitebook 750 G2 Firmware and 82 more.

## How do I fix CVE-2019-16284?

No fix has been published for CVE-2019-16284 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-16284 being exploited?

There is no known exploitation of CVE-2019-16284 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-16284 and fix it if it is affected.

What it is: CVE-2019-16284 is a high-severity vulnerability in Multiple - See https://support.hp.com/rs-en/document/c06456250, published on 5 Nov 2019. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-16284 in the wild and no public exploit code.

Affected product: Multiple - See https://support.hp.com/rs-en/document/c06456250. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2019-16284/ (Markdown: https://insights.sbomify.com/CVE-2019-16284/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-16284
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-16284
- OSV: https://osv.dev/vulnerability/CVE-2019-16284

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-16284/
Summaries are generated and may contain mistakes; the official description above is the record.