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CVE-2023-3519

Quick assessment

Affected
Citrix NetScaler ADC
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Citrix Systems Citrix Gateway（Citrix Systems NetScaler Gateway）和Citrix ADC都是美国思杰系统（Citrix Systems）公司的产品。Citrix Gateway是一套安全的远程接入解决方案。该产品可为管理员提供应用级和数据级管控功能，以实现用户从任何地点远程访问应用和数据。Citrix ADC是一个最全面的应用程序交付和负载平衡解决方案。用于实现应用程序安全性、整体可见性和可用性。 Citrix ADC 和 Citrix Gate

CVSS 9.8 · Critical KEV · Ransomware EPSS 99.75% · P100

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 7

VendorProduct Version RangeStatus
Citrix NetScaler ADC 13.1< 49.13 affected
13.0< 91.13 affected
13.1-FIPS< 37.159 affected
12.1-FIPS< 55.297 affected
12.1-NDcPP< 55.297 affected
Citrix NetScaler Gateway 13.1< 49.13 affected
13.0< 91.13 affected
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I. Basic Information for CVE-2023-3519

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated remote code execution
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Citrix ADC 和 Citrix Gateway 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Citrix Systems Citrix Gateway（Citrix Systems NetScaler Gateway）和Citrix ADC都是美国思杰系统（Citrix Systems）公司的产品。Citrix Gateway是一套安全的远程接入解决方案。该产品可为管理员提供应用级和数据级管控功能，以实现用户从任何地点远程访问应用和数据。Citrix ADC是一个最全面的应用程序交付和负载平衡解决方案。用于实现应用程序安全性、整体可见性和可用性。 Citrix ADC 和 Citrix Gate
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Citrix NetScaler ADC 13.1 ~ 49.13 -
Citrix NetScaler Gateway 13.1 ~ 49.13 -

II. Public POCs for CVE-2023-3519

# POC Description Source Link Shenlong Link
1 Citrix Scanner for CVE-2023-3519 https://github.com/telekom-security/cve-2023-3519-citrix-scanner POC Details
2 Accurately fingerprint and detect vulnerable (and patched!) versions of Netscaler / Citrix ADC to CVE-2023-3519 https://github.com/securekomodo/citrixInspector POC Details
3 None https://github.com/mr-r3b00t/CVE-2023-3519 POC Details
4 CVE-2023-3519 https://github.com/d0rb/CVE-2023-3519 POC Details
5 nse script to identify server vulnerable to CVE-2023-3519 https://github.com/dorkerdevil/CitrixFall POC Details
6 RCE exploit for CVE-2023-3519 https://github.com/BishopFox/CVE-2023-3519 POC Details
7 CVE-2023-3519 vuln for nuclei scanner https://github.com/SalehLardhi/CVE-2023-3519 POC Details
8 NetScaler (Citrix ADC) CVE-2023-3519 Scanner https://github.com/KR0N-SECURITY/CVE-2023-3519 POC Details
9 None https://github.com/passwa11/CVE-2023-3519 POC Details
10 None https://github.com/rwincey/cve-2023-3519 POC Details
11 None https://github.com/mandiant/citrix-ioc-scanner-cve-2023-3519 POC Details
12 Citrix ADC RCE CVE-2023-3519 https://github.com/Chocapikk/CVE-2023-3519 POC Details
13 Script for checking CVE-2023-3519 for Backdoors https://github.com/JonaNeidhart/CVE-2023-3519-BackdoorCheck POC Details
14 Stack-Overflow on Citrix https://github.com/Mohammaddvd/CVE-2023-3519 POC Details
15 critical unauthenticated remote code execution (RCE) vulnerability affecting Citrix ADC (NetScaler ADC) and Citrix Gateway appliances configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server. Exploitation can lead to arbitrary code execution. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-3519.yaml POC Details
16 Stack-Overflow on Citrix https://github.com/dhammerg/CVE-2023-3519 POC Details
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III. Intelligence Information for CVE-2023-3519

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Exploits & Public PoCs for CVE-2023-3519 (1)

Other References for CVE-2023-3519 (1)

Same Patch Batch · Citrix · 2023-07-19 · 3 CVEs total

CVE-2023-3466 8.3 HIGH Citrix ADC 和 Citrix Gateway 跨站脚本漏洞
CVE-2023-3467 8.0 HIGH Citrix ADC 和 Citrix Gateway 安全漏洞

IV. Related Vulnerabilities

Same product: NetScaler ADC
Same vendor: Citrix
Same weakness: CWE-94

V. Comments for CVE-2023-3519

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