Actively exploited in the wild
Citrix SD-WAN and NetScaler Command Injection Vulnerability
Citrix - SD-WAN and NetScaler · Listed in the CISA KEV since 2022-03-25. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2019-12991
HighCVSS 8.8KEVSummary
Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have an improper input validation issue (issue 5 of 6).
Risk Assessment
Improper input validation could allow an attacker to manipulate data or bypass security, potentially leading to unauthorized access or disruption.
Recommendation
Update Citrix SD-WAN and NetScaler SD-WAN to patched versions.
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Original NVD description (English source)
Citrix SD-WAN 10.2.x before 10.2.3 and NetScaler SD-WAN 10.0.x before 10.0.8 have Improper Input Validation (issue 5 of 6).