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Royal ransomware group actively exploiting Citrix vulnerability

January 13, 2023

The Royal ransomware group is believed to be actively exploiting a critical security flaw affecting Citrix systems, according to the cyber research team at cyber insurance provider At-Bay. Announced by Citrix on November 8, 2022, the vulnerability, identified as CVE-2022-27510, allows for the potential bypass of authentication measures on two Citrix products: the Application Delivery Controller (ADC) and Gateway.

There were no known instances of the vulnerability being exploited in the wild at the time of disclosure. However, as of the first week of 2023, At-Bay’s cyber researchers claimed new information suggests the Royal ransomware group is now actively exploiting it. Royal, which is considered one of the more sophisticated ransomware groups, emerged in January 2022 and was particularly active in the second half of last year.

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