CVE-2025-6543
critical · 9.2Actively exploitedOn the CISA Known Exploited Vulnerabilities catalog
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Added 2025-06-30Remediation due 2025-07-21
Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server
9.2
CVSS
10.1%
EPSS (exploit prob.)
95th
EPSS percentile
2025-06-25
Published
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses
CWE-119
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| citrix | netscaler_application_delivery_controller | >= 13.1, < 13.1-37.236 |
| citrix | netscaler_application_delivery_controller | >= 13.1, < 13.1-37.236 |
| citrix | netscaler_application_delivery_controller | >= 13.1, < 13.1-59.19 |
| citrix | netscaler_application_delivery_controller | >= 14.1, < 14.1-47.46 |
| citrix | netscaler_gateway | >= 13.1, < 13.1-59.19 |
| citrix | netscaler_gateway | >= 14.1, < 14.1-47.46 |
Check a specific version with /api/v1/cve/match.
References
Query this programmatically:
curl https://evil-db.io/api/v1/cve/CVE-2025-6543