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HomeCVEsCVE-2023-3519

CVE-2023-3519

Published: January 27, 2026
Last updated:5 hours ago (January 27, 2026)
Exploit: YesZero-day: YesPatch: YesTrend: Viral
TL;DR
Updated January 27, 2026

CVE-2023-3519 is a critical severity vulnerability with a CVSS score of 9.8. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.

Key Points
  • 1Critical severity (CVSS 9.8/10)
  • 2EPSS: 94.00% - very high likelihood of exploitation
  • 3Public exploits are available
  • 4Vendor patches are available
  • 5Strobes Priority Score: 999/1000 (Critical)
  • 6Affects products from: Citrix
Severity Scores
CVSS v39.8
CVSS v20.0
Priority Score999.0
EPSS Score94.0
Critical
Exploitation LikelihoodCritical
94.00%EPSS

Very high probability of exploitation in the next 30 days

Immediate patching required
94.00%
EPSS
9.8
CVSS
Yes
Exploit
Yes
Patch
Critical Priority
high EPSS • exploit exists • critical severity • high priority

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

Description

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

CVSS v3 Breakdown
Attack Vector:Network
Attack Complexity:Local
Privileges Required:Network
User Interaction:Network
Scope:Unchanged
Confidentiality:High
Integrity:High
Availability:High
Exploit References
Cisa.govPacketstormsecurity.comMetasploitGitHubGitHubGitHubGitHubGitHubGitHubGitHub
Patch References
[email protected]Zeroday CZ
Trend Analysis
Viral
Vulnerable Products
VendorProduct
CitrixNetscaler Application Delivery Controller
CitrixNetscaler Gateway
Advisories
CISA: Citrix NetScaler ADC and NetScaler Gateway contains a code injection vulnerability that allows for unauthenticated remote code execution.
GitHub AdvisoryNVD
Cite This Page
APA Format
Strobes VI. (2026). CVE-2023-3519 - CVE Details and Analysis. Strobes VI. Retrieved January 27, 2026, from https://vi.strobes.co/cve/CVE-2023-3519
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