# CVE-2023-6549: A Citrix NetScaler ADC and NetScaler Gateway bug is being used in attacks

Status: Being used now (CISA KEV, added 2024-01-17)
Who: 
Do this: 

## Agent prompt (read-only)
Read-only check, change nothing, send nothing anywhere.
Is Citrix NetScaler ADC and NetScaler Gateway (CVE-2023-6549) installed or running on this machine or in this project?
1. Find every copy and its version (apps, packages, containers, lockfiles).
2. Compare each version against the vendor's fixed version for CVE-2023-6549. Quote the vendor page you used.
3. Report a table: where, version, fixed version, status (exposed / fixed / not installed / unsure).
4. List the exact update steps, but do not run them.

## Official description
Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for a denial-of-service when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.

## Sources
- https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549
- https://nvd.nist.gov/vuln/detail/CVE-2023-6549
- https://nvd.nist.gov/vuln/detail/CVE-2023-6549

Generated by isitexploited.org from public sources. Verify version numbers against the vendor before acting.