CVE-2024-8535: netscaler gateway — Fix

Description

Authenticated user can access unintended user capabilities in NetScaler ADC and NetScaler Gateway if the appliance must be configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) with KCDAccount configuration for Kerberos SSO to access backend resources OR the appliance must be configured as an Auth Server (AAA Vserver) with KCDAccount configuration for Kerberos SSO to access backend resources

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CVSS v3.1 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-552 CWE-552

Affected Products

Vendor	Product	Versions
citrix	netscaler_application_delivery_controller	12.1 — 12.1-55.321
citrix	netscaler_application_delivery_controller	12.1 — 12.1-55.321
citrix	netscaler_application_delivery_controller	12.1 — 13.1-55.34
citrix	netscaler_application_delivery_controller	13.1 — 13.1-37.207
citrix	netscaler_application_delivery_controller	14.1 — 14.1-29.72
citrix	netscaler_gateway	12.1 — 13.1-55.34
citrix	netscaler_gateway	14.1 — 14.1-29.72

References

Advisories & Patches

https://support.citrix.com/s/article/CTX691608-netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20248534-and-cve20248535?language=en_US

Frequently Asked Questions

What is CVE-2024-8535? +

Authenticated user can access unintended user capabilities in NetScaler ADC and NetScaler Gateway if the appliance must be configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) with KCDAccount configuration for Kerberos SSO to access backend resources OR the appliance must be configured as an Auth Server (AAA Vserver) with KCDAccount configuration for Kerberos SSO to access backend resources It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2024-8535? +

CVE-2024-8535 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-8535? +

CVE-2024-8535 affects products from citrix, specifically: netscaler_application_delivery_controller, netscaler_gateway. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-8535? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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