CVE-2025-8424: netscaler adc
CVSS: 8.7v4.0HighDeferred
Published 26-08-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-8424 is a high (CVSS 8.7) vulnerability in netscaler adc. EPSS estimates a 3.34% chance of exploitation in the next 30 days, higher than 88.5% of scored vulnerabilities.
CVSS score
8.7/10
010
High · v4.0 (CVE.org)EPSS score
3.34%
0%100%
Low · +0.52 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 26-08-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
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
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.7Preferred score · CVE.org (CNA)
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:LSourcesAll 2 agree
- NVDNIST8.7HighCVSS:4.0/AV:A/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
EPSS trend
Probability
3.34%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
+0.52 pp
From 2.82% on 19-09-2026
19-09-202619-10-2026
EPSS score3.34%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
1 vendor · 2 products