CVE-2023-3519

9.8CRITICAL

Key Information

Vendor
Citrix
Status
NetScaler ADC 
NetScaler Gateway
Vendor
CVE Published:
19 July 2023

Badges

👾 Exploit Exists🔴 Public PoC🟣 EPSS 96%📰 News Worthy

Summary

Unauthenticated remote code execution

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2023-3519 as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected Version(s)

NetScaler ADC  < 49.13

NetScaler ADC  < 91.13

NetScaler ADC  < 37.159

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-3519
Created by BishopFox

citrixInspector
Created by securekomodo

citrix-ioc-scanner-cve-2023-3519
Created by mandiant

News Articles

favicon imagePalo Alto Networks

Threat Brief: RCE Vulnerability CVE-2023-3519 on Customer-Managed Citrix Servers

RCE vulnerability CVE-2023-3519 affects Citrix NetScaler products. This threat brief examines the current evidence, attack scope and interim guidance.

5 months ago

favicon imageSecurity Affairs

Large-scale Citrix NetScaler Gateway credential harvesting campaign exploits CVE-2023-3519

IBM observed a credential harvesting campaign that is targeting Citrix NetScaler gateways affected by the CVE-2023-3519 vulnerability.

1 year ago

EPSS Score

96% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • First article discovered by Security Affairs

  • 👾

    Exploit exists.

  • Vulnerability published.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre DatabaseCISA Database11 Proof of Concept(s)2 News Article(s)
.