vulnerability
NetScaler ADC: CVE-2025-5777: Insufficient Input Validation Leading to Memory Overread in NetScaler ADC
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:C/I:N/A:N) | Jun 17, 2025 | Jul 10, 2025 | Apr 30, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:C/I:N/A:N)
Published
Jun 17, 2025
Added
Jul 10, 2025
Modified
Apr 30, 2026
Description
An insufficient input validation vulnerability in NetScaler ADC leads to memory overread. The vulnerability is exploitable when NetScaler ADC is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or as an AAA virtual server. It has a CVSSv4 base score of 9.3 (Critical).
Solution
citrix-adc-upgrade-latest
Rapid7 Labs
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