Vulnerability Intelligence

🛡 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
Malware pivots: 🦠 REvil 🦠 Ragnarok 🦠 Maze 🦠 DoppelPaymer 🦠 DoppelPaymer (Citrix ADC)
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