Act
archived
CISA orders patch for actively exploited Citrix NetScaler flaws
- Engineer — Act: CISA emergency directive implies KEV listing with active exploitation of these NetScaler flaws — patch Citrix NetScaler to the vendor-specified remediated version immediately; Wednesday federal deadline signals urgency applicable beyond government.
- SOC/IR — Act: Active exploitation of NetScaler edge appliances warrants an assume-breach sweep — hunt for post-exploitation activity (credential harvesting, lateral movement) originating from NetScaler nodes and check for anomalous sessions since the vulnerability window opened.
- Leader — Act: Confirm whether the organization runs Citrix NetScaler and verify the engineering team has patching underway; CISA emergency directives on widely-deployed edge appliances frequently generate customer and board inquiries, so brief leadership proactively.
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