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Citrix servers hacked because of a vulnerability

is a HTML element that is used to create a division or a container on a webpage. It is commonly used to group and organize other HTML elements such as text, images, and other HTML tags.

One recent incident involved cyber criminals targeting Citrix NetScaler ADC and Gateway Servers through a vulnerability known as CVE-2023-3519. This flaw allowed for remote code injection, potentially leading to unauthorized access. The breach was discovered by the Shadowserver Foundation, a non-profit organization known for its expertise in analyzing data related to malicious online activities.

Citrix is actively investigating the incident and the extent of the impact on affected servers is still uncertain. The company has committed to providing more details about the breach in the upcoming weekend. Security analysts have noticed that a significant number of targeted IP addresses are located in countries such as France, Switzerland, Italy, Sweden, Spain, Japan, China, Austria, and Brazil. It is estimated that around 15,000 accounts could be at risk.

Interestingly, the vulnerability was previously disclosed by US-CERT in July and Citrix had taken measures to address the issue. However, not all users promptly applied the fix, leaving them vulnerable to exploitation. As of now, Citrix has not attributed the attack to any specific threat actor, but there are speculations that it could be the work of a state-funded hacker due to the scale and sophistication of the attack. Approximately 640 Citrix servers have been compromised with web shells.

It is crucial for Citrix users to update their systems promptly with the provided patches to safeguard against potential threats. The situation is being closely monitored and more information is expected to be released after Citrix completes its investigation.

Key points:

is a HTML element used to create a container on a webpage.
– Cyber criminals targeted Citrix NetScaler ADC and Gateway Servers through a vulnerability known as CVE-2023-3519.
– The breach was discovered by the Shadowserver Foundation, a renowned non-profit organization.
– The extent of the impact on affected servers is still unclear.
– Around 15,000 accounts could be at risk.
– The vulnerability was previously disclosed, but not all users applied the fix promptly.
– The attack has not been attributed to any specific threat actor.
– Prompt system updates are crucial to safeguard against potential threats.

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