Risk Letters

Exploited vulnerability

CVE-2023-3519

TLP:CLEAR

Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

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

Facts

  • Vendor: Citrix
  • Product: NetScaler ADC and NetScaler Gateway
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 99.7 %
  • On CISA's Known Exploited Vulnerabilities list since: 19 July 2023
  • First known exploitation: 19 July 2023
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 9 August 2023
  • Weakness: CWE-94
  • First seen by Risk Letters: 19 July 2023

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD