Name: CVE-2025-5777: Out-of-bounds Read
Creator: Rapid7
Published: 2025-06-17T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-5777, CWE-908, CWE-457, CWE-125, Exploited in the Wild, CISA KEV Exploit, Used with Ransomware, CVSS 7.5, EPSS 0.99972, CISA KEV

Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

CVSS Details

CVSS 4.0 Base Score: 9.3 (CRITICAL)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:N/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)
CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Citrix Adc	—	—	Jul 11, 2025	Jun 17, 2025
Netscaler Adc	—	Upgrade to the latest available version of Citrix ADC	Jul 10, 2025	Jun 17, 2025

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CVSS Details

Covered by Rapid7

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