Citrix published on May, 9th a new Security Bulletin for NetScaler ADC and Netscaler Gateway. The severity is rated as medium. AXACOM is recommending to upgrade the NetScaler ADCs and Gateways in the next few days according to the Citrix CTX477714.
Please monitor as well the Citrix CTX article under the following link:
Vulnerabilities have been discovered in Citrix ADC and Citrix Gateway listed below, that, if exploited, could result in the following security issues:
Impacted Products, Versions and Components
The following supported versions of Citrix ADC and Citrix Gateway are affected by this vulnerability:
- Citrix ADC and Citrix Gateway 13.1 before 13.1-45.61
- Citrix ADC and Citrix Gateway 13.0 before 13.0-90.11
- Citrix ADC and Citrix Gateway 12.1 before 12.1-65.35
- Citrix ADC 12.1-FIPS before 12.1-55.296
- Citrix ADC 12.1-NDcPP before 12.1-55.296
This bulletin only applies to customer-managed Citrix ADC and Citrix Gateway. Customers using Citrix-managed cloud services or Citrix-managed Adaptive Authentication do not need to take any action.
| CVE ID | Description | Pre-requisites | CWE | CVSS |
|---|---|---|---|---|
| CVE-2023-24488 | Cross site scripting | Appliance must be configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server | CWE-79 | 6.1 |
| CVE-2023-24487 | Arbitrary file read | Access to NSIP or SNIP with management interface access | CWE-253 | 6.3 |
What Customers Should Do
Affected customers of Citrix ADC and Citrix Gateway are recommended to install the relevant updated versions of Citrix ADC or Citrix Gateway as soon as possible:
- Citrix ADC and Citrix Gateway 13.1-45.61 and later releases
- Citrix ADC and Citrix Gateway 13.0-90.11 and later releases of 13.0
- Citrix ADC and Citrix Gateway 12.1-65.35 and later releases of 12.1
- Citrix ADC 12.1-FIPS 12.1-55.296 and later releases of 12.1-FIPS
- Citrix ADC 13.1-FIPS 13.1-37.150 and later releases of 13.1-FIPS
- Citrix ADC 12.1-NDcPP 12.1-55.296 and later releases of 12.1-NDcPP