PoC Index

CVE-2025-5777

KEV RANSOMWARECRITICAL 9.3EPSS 100.0%

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 v4.0
9.3 CRITICALCVSS: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 v3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
99.96% chance of exploitation in the next 30 days, 100th percentile
CISA KEV
added 2025-07-10, used in ransomware campaigns
Nuclei
critical · CWE-457
Published
2025-06-17
Updated
2026-08-04

Proof-of-concept exploits (26)

Nuclei templates (1)

ExploitDB entries (1)

References

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