# CVE-2019-18916: Privilege escalation in HP Color LaserJet Pro MFP M277 printers

> An attacker can exploit a vulnerability in HP LaserJet Solution Software to gain unauthorized elevated privileges on the client system.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Nov 2021
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-47jw-gpgj-9ccg

## What is CVE-2019-18916?

CVE-2019-18916 is a high-severity vulnerability in HP Color LaserJet Pro MFP M277 printers, published on 9 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A potential security vulnerability has been identified for HP LaserJet Solution Software (for certain HP LaserJet Printers) which may lead to unauthorized elevation of privilege on the client.

Weakness: CWE-269 (Improper Privilege Management)

## Which versions are affected by CVE-2019-18916?

It affects 5 products.


Products: Hp Color Laserjet Pro Mfp M277 B3q10a Firmware, Hp Color Laserjet Pro Mfp M277 B3q10v Firmware, Hp Color Laserjet Pro Mfp M277 B3q11a Firmware, Hp Color Laserjet Pro Mfp M277 B3q11v Firmware, Hp Color Laserjet Pro Mfp M277 B3q17a Firmware.

## How do I fix CVE-2019-18916?

No fix has been published for CVE-2019-18916 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-18916 being exploited?

There is no known exploitation of CVE-2019-18916 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-18916 and fix it if it is affected.

What it is: CVE-2019-18916 is a high-severity vulnerability in HP Color LaserJet Pro MFP M277 printers, published on 9 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-18916 in the wild and no public exploit code.

Affected product: HP Color LaserJet Pro MFP M277 printers. 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-2019-18916/ (Markdown: https://insights.sbomify.com/CVE-2019-18916/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-18916
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-18916
- OSV: https://osv.dev/vulnerability/CVE-2019-18916

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-18916/
Summaries are generated and may contain mistakes; the official description above is the record.