🛡 CVE-2019-19781
Citrix ADC, Gateway, and SD-WAN WANOP Appliance Code Execution Vulnerability
Citrix Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP Appliance CWE-22
Ransomware use
KNOWN
CISA KEV
EPSS
100.0%
Likely exploited · 100th pct
Added to KEV
2021-11-03
CISA
Remediate by
2022-05-03
⚠ OVERDUE
CWE
CWE-22
weakness
📈 EPSS exploit probability
100.0%
FIRST EPSS — 30-day probability of exploitation in the wild · band Likely exploited · higher than 100% of all scored CVEs
⚠ KEV remediation overdue
CISA required federal remediation by 2022-05-03. This exploited vulnerability is past its Binding Operational Directive 22-01 due date — prioritize patch/mitigation and hunt for exploitation.
📄 Description
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.
🏹 Attributed exploitation
Malware / ransomware (KEV): REvil, Ragnarok, Maze, DoppelPaymer (Citrix ADC)
Threat actors (KEV): multiple ransomware
Actor pivots: 🏹 multiple ransomware
🔗 External references & OSINT
🔄 Internal pivots & actions
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