Vulnerability Intelligence Report
Denial of service
CVE-2023-4967
Denial of Service in NetScaler ADC and NetScaler Gateway when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA Virtual Server
No Active Exploit Signals
CVSS Base Score
8.2
HIGH
Exploitability:3.9
Impact Score:4.3
EPSS Probability:0.88%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-119 ↗CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Cloud Software Group | NetScaler ADC | 14.1 < 8.50 (affected), 13.1 < 49.15 (affected), 13.0 < 92.19 (affected), 13.1-FIPS < 37.164 (affected), 12.1-FIPS < 55.300 (affected), 12.1-NDcPP < 55.300 (affected) |
| Cloud Software Group | NetScaler Gateway | 14.1 < 8.50 (affected), 13.1 < 49.15 (affected), 13.0 < 92.19 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.878%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Citrix Systems, Inc. · Vendor · USA |
| Reserved | 2023-09-14T15:51:24 |
| Published | 2023-10-27T18:01:59 |
| Last Updated | 2025-02-27T20:39:19 |
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