Detections
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NetScaler ADC and NetScaler Gateway Multiple Vulnerabilities (CTX693420)

critical Nessus Plugin ID 240341

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Synopsis

The remote device may be affected by multiple vulnerabilities.

Description

The remote NetScaler ADC (formerly Citrix ADC) or NetScaler Gateway (formerly Citrix Gateway) device is version 12.1 before 12.1-55.328 (12.1-FIPS) or 13.1 before 13.1-37.235 (13.1-FIPS) or 13.1 before 13.1-58.32 or 14.1 before  14.1-43.56. It is, therefore, affected by multiple vulnerabilities:

- Improper access control on the NetScaler Management Interface in NetScaler ADC and NetScaler Gateway (CVE-2025-5349)
- Insufficient input validation leading to memory overread on the NetScaler Management Interface NetScaler ADC and NetScaler Gateway (CVE-2025-5777)

Please refer to advisory CTX693420 for more information.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade to version 12.1-55.328 (12.1-FIPS), 13.1-37.235 (13.1-FIPS), 13.1-58.32, 14.1-43.56 or later.

See Also

http://www.nessus.org/u?43b55ab5

Plugin Details

Severity: Critical

ID: 240341

File Name: netscaler_adc_gateway_CTX693420.nasl

Version: 1.6

Type: combined

Family: CGI abuses

Published: 6/25/2025

Updated: 7/11/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2025-5777

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 9.3

Threat Vector: CVSS:4.0/E:A

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

Vulnerability Information

CPE: cpe:/h:citrix:netscaler_gateway, cpe:/h:citrix:netscaler_application_delivery_controller

Required KB Items: Host/NetScaler/Detected

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/17/2025

Vulnerability Publication Date: 6/17/2025

CISA Known Exploited Vulnerability Due Dates: 7/11/2025

Reference Information

CVE: CVE-2025-5349, CVE-2025-5777

IAVA: 2025-A-0443