CVE-2023-6549CISA KEVEPSS p99.0%

CVE-2023-6549Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability

Citrix / NetScaler ADC and NetScaler Gateway

Description

Citrix NetScaler ADC and NetScaler Gateway contain a buffer overflow vulnerability that allows for a denial-of-service when configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.

Scoring

EPSS57.63% probability of exploitation · percentile 99.0% · 2026-06-18T12:00:27Z

CISA KEV entry

Added to KEV: 2024-01-17

(incoming)1

TypeTargetConfidenceTier
KEVEntryCitrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerabilitykev-cve-2023-65490%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.