Risk Letters

Exploited vulnerability

CVE-2019-19781

TLP:CLEAR

Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution.

Facts

  • Vendor: Citrix
  • Product: Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 100 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 3 May 2022
  • Weakness: CWE-22
  • First seen by Risk Letters: 3 November 2021

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