Italy’s National Cybersecurity Agency, ACN, warned organizations to act in protecting their computer systems as thousands of computer servers around the globe were under attack by ransomware targeting VMware (WMW.N) ESXi servers, according to reports
Roberto Baldoni, the ACN director general, told Reuters the attack was looking to find and expose a vulnerability in the software, adding that the attack was taking place on a large scale.
A VMware representative told the news agency they were aware of the incidents and released patches to protect systems against exposing a two-year-old vulnerability that was being exploited back in February 2021.
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All customers who did not apply the patch were urged by VMware to do so.
“Security hygiene is a key component of preventing ransom attacks, and customers who are running versions of ESXi impacted by CVE-2021-21974, and have not yet applied the two-year-old patch, should take action as directed in the advisory,” a representative from VMware said on Sunday.
The attacks targeted VMware servers in places like France, Finland, Canada and the U.S., according to ACN.
Any organizations that were targeted could become locked out of their systems because of the ransomware.
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According to Reuters, dozens of organizations in Italy were likely to be attacked, and many more were warned to apply the patches.
Cybersecurity officials in the U.S. were assessing the situation.
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“CISA is working without public and private sector partners to assess the impacts of these reported incidents and providing assistance where needed,” the U.S. Cybersecurity and Infrastructure Security Agency told Reuters.
Reuters contributed to the reporting of this story.