The latest high-severity Citrix vulnerability under attack isn’t easy to fix
Enlarge (credit: Getty Images) A critical vulnerability that hackers have exploited since August, which allows them to bypass multifactor authentication in Citrix networking hardware, has received a patch from the manufacturer. Unfortunately, applying it isn’t enough to protect affected systems. The vulnerability, tracked as CVE-2023-4966 and carrying a severity rating of 9.8 out of a possible 10, resides in the NetScaler Application Delivery Controller and NetScaler Gateway, which provide load balancing and single sign-on in enterprise networks, respectively. Stemming from a flaw in a currently unknown function, the information-disclosure vulnerability can be exploited so hackers can intercept encrypted communications passing [...]