CISA director says the LOG4J security flaw is the "most serious" she's seen in her career

Cybersecurity and Infrastructure Security Director Jen Easterly tells CNBC's Eamon Javers that the LOG4J security flaw is the "most serious" vulnerability she's seen in her decades-long career and it could take years to address. Her message to business leaders: Do not delay in making sure that you are protected from this vulnerability.