CVEvulnerability

CVE-2023-3519

9.8 CRITICAL Known exploited Published 2023-07-19 Modified 2026-08-05 Official page ↗

CISA Known Exploited Vulnerability

Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability — Citrix NetScaler ADC and NetScaler Gateway

Citrix NetScaler ADC and NetScaler Gateway contains a code injection vulnerability that allows for unauthenticated remote code execution.

Added to KEV
2023-07-19
Remediation due
2023-08-09
Ransomware use
Known
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes
https://support.citrix.com/article/CTX561482/citrix-adc-and-citrix-gateway-security-bulletin-for-cve20233519-cve20233466-cve20233467; https://nvd.nist.gov/vuln/detail/CVE-2023-3519
Status
Analyzed
Published
2023-07-19
Last modified
2026-08-05
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-94

Description

Unauthenticated remote code execution

Affected configurations

• citrix netscaler application delivery controller (>= 12.1 < 12.1-55.297) • citrix netscaler application delivery controller (>= 13.0 < 13.0-91.13) • citrix netscaler application delivery controller (>= 13.1 < 13.1-37.159) • citrix netscaler application delivery controller (>= 13.1 < 13.1-49.13) • citrix netscaler gateway (>= 13.0 < 13.0-91.13) • citrix netscaler gateway (>= 13.1 < 13.1-49.13)

Related

Weakness · CWE (1)

  • CWE-94 Improper Control of Generation of Code weakness

References