CVE-2019-12991
Actively exploited. CVE-2019-12991 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2019-12991 is indexed in Exploit-DB. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
Authenticated Command Injection in Citrix SD-WAN Appliance and NetScaler SD-WAN Appliance.
CSIRTS triage
- What
- Authenticated command injection vulnerability can lead to remote code execution.
- Who is affected
- Users of Citrix SD-WAN and NetScaler SD-WAN Appliances are affected.
- Urgency
- Immediate action is necessary due to the critical nature of the vulnerability and active exploitation.
- Action
- Apply the latest updates from Citrix to remediate this issue.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 99% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2019-12991 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2019-12991: Citrix SD-WAN and NetScaler Command Injection Vulnerabilitycisa-kev · 2022-03-25
External references
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