CVE-2023-6549

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CVSS v3.1

8.2

EPSS

57.63%

Published

Jan 17, 2024

Modified

Feb 26, 2026

CISA Known Exploited Vulnerability

Added: 2024-01-17 · Due: 2024-02-07

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Public PoC / Exploit (2)

All weaponized →

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

Improper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and Out-Of-Bounds Memory Read

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Weaknesses (CWE)

CWE-119CWE-119

Affected Products (9)

citrix · netscaler_application_delivery_controller (up to 12.1-55.302)vulnerable

citrix · netscaler_application_delivery_controller (up to 13.0-92.21)vulnerable

citrix · netscaler_application_delivery_controller (up to 13.1-37.176)vulnerable

citrix · netscaler_application_delivery_controller (up to 13.1-51.15)vulnerable

citrix · netscaler_application_delivery_controller (up to 14.1-12.35)vulnerable

citrix · netscaler_gateway (up to 13.0-92.21)vulnerable

citrix · netscaler_gateway (up to 13.1-51.15)vulnerable

citrix · netscaler_gateway (up to 14.1-12.35)vulnerable

References (3)

https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549

Vendor Advisory

https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549

Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6549

US Government Resource

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