CVE-2024-8535 Authenticated user can access unintended user capabilities

What is CVE-2024-8535?

CVE-2024-8535 is a medium-severity missing authorization vulnerability in NetScaler ADC, published on 12 Nov 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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

Weakness: CWE-552

Which versions are affected by CVE-2024-8535?

It affects 2 products.

Products include Citrix NetScaler ADC, Citrix Netscaler Gateway.

How do I fix CVE-2024-8535?

No fix has been published for CVE-2024-8535 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2024-8535 being exploited?

There is no known exploitation of CVE-2024-8535 in the wild and no public exploit code.

Other vulnerabilities in NetScaler ADC

• CVE-2023-3519 Citrix NetScaler ADC and NetScaler Gateway Code Injection Exploited Critical 9.8
• CVE-2026-88771 Citrix NetScaler Improper Input Validation Exploited Critical 9.5
• CVE-2026-88772 Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Exploited Critical 9.5
• CVE-2023-4966 Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Exploited Critical 9.4
• CVE-2026-19490 Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Exploited Critical 9.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8xqq-wrhg-93q9.