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  • Insights

NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2024-5491 and CVE-2024-5492

Jeff Silverman

2 min read

All Insights

NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2024-5491 and CVE-2024-5492

Issue

Two vulnerabilities have been discovered in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway). Refer to below for further details:

Affected Versions
  • NetScaler ADC and NetScaler Gateway 14.1 before 14.1-25.53
  • NetScaler ADC and NetScaler Gateway 13.1 before 13.1-53.17
  • NetScaler ADC and NetScaler Gateway 13.0 before 13.0-92.31
  • NetScaler ADC 13.1-FIPS before 13.1-37.183
  • NetScaler ADC 12.1-FIPS before 12.1-55.304
  • NetScaler ADC 12.1-NDcPP before 12.1-55.304

Note: NetScaler ADC and NetScaler Gateway version 12.1 is now End Of Life (EOL) and is vulnerable. Customers are recommended to upgrade their appliances to one of the supported versions that address the vulnerabilities.
This bulletin only applies to customer-managed NetScaler ADC and NetScaler Gateway. Customers using Citrix-managed cloud services or Citrix-managed Adaptive Authentication do not need to take any action.

CVD-ID Description Pre-Requisites CWE CVSS
CVE-2024-5491 Denial of Servicer ADC or Gateway appliance configured with SNMP (NSIP/SNIP CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer CVSS v4.0 Base Score: 7.1
CVE-2024-5492 Open redirect vulnerability allows a remote unauthenticated attacker to redirect users to arbitrary websites Requires targeted user to access an attacker-controlled URL while being on a network with access to NSIP CWE-601: URL Redirection to Untrusted Site (‘Open Redirect’) CVSS v4.0 Base Score: 5.11
Recommended Action

Cloud Software Group strongly urges affected customers of NetScaler ADC and NetScaler Gateway to install the relevant updated versions as soon as possible.

  • NetScaler ADC and NetScaler Gateway 14.1-25.53 and later releases
  • NetScaler ADC and NetScaler Gateway   13.1-53.17 and later releases of 13.1
  • NetScaler ADC and NetScaler Gateway  13.0-92.31 and later releases of 13.0
  • NetScaler ADC 13.1-FIPS 13.1-37.183 and later releases of 13.1-FIPS
  • NetScaler ADC 12.1-FIPS 12.1-55.304 and later releases of 12.1-FIPS
  • NetScaler ADC 12.1-NDcPP 12.1-55.304 and later releases of 12.1-NDcPP

Note: NetScaler ADC and NetScaler Gateway version 12.1 is now End Of Life (EOL). Customers are recommended to upgrade their appliances to one of the supported versions that address the vulnerabilities.

More Information

Security Lockhttps://support.citrix.com/article/CTX677944/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20245491-and-cve20245492

For assistance from the Kraft Kennedy team, please contact us.