CVE-2025-8424 Improper access control on the NetScaler Management Interface
Attackers with network access to management IPs can bypass access controls on the NetScaler Management Interface to gain unauthorized privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-8424?
CVE-2025-8424 is a high-severity missing authorization vulnerability in NetScaler ADC, published on 26 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper access control on the NetScaler Management Interface in NetScaler ADC and NetScaler Gateway when an attacker can get access to the appliance NSIP, Cluster Management IP or local GSLB Site IP or SNIP with Management Access
Weakness: CWE-1284
Which versions are affected by CVE-2025-8424?
How do I fix CVE-2025-8424?
No fix has been published for CVE-2025-8424 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-2025-8424 being exploited?
There is no known exploitation of CVE-2025-8424 in the wild and no public exploit code.
Sources
Also known as GHSA-4gr3-wh64-r647.