Pierluigi Paganini
August 27, 2025
Over 28,200 Citrix NetScaler ADC/Gateway instances remain exposed to critical RCE flaw CVE-2025-7775, already under active exploitation. Experts at the Shadowserver Foundation warn that more than 28,200 Citrix instances are vulnerable to the vulnerability CVE-2025-7775, which is under active exploitation. CVE-2025-7775Â (CVSS score: 9.2) is a memory overflow vulnerability leading to Remote Code Execution and/or Denial-of-Service. […]
Pierluigi Paganini
August 27, 2025
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Citrix NetScaler flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Citrix NetScaler flaw, tracked as CVE-2025-7775, to its Known Exploited Vulnerabilities (KEV) catalog. This week, Citrix addressed three security flaws (CVE-2025-7775, CVE-2025-7776, CVE-2025-8424) in NetScaler ADC and NetScaler Gateway, including one (CVE-2025-7775) that it […]
Pierluigi Paganini
August 26, 2025
Citrix addressed three vulnerabilities in NetScaler ADC and NetScaler Gateway, including one that has been actively exploited in the wild. Citrix addressed three security flaws (CVE-2025-7775, CVE-2025-7776, CVE-2025-8424) in NetScaler ADC and NetScaler Gateway, including one (CVE-2025-7775) that it said has been actively exploited in the wild. “Exploits of CVE-2025-7775 on unmitigated appliances have been observed.” […]
Pierluigi Paganini
June 26, 2025
New Citrix flaw ‘CitrixBleed 2’ lets attackers steal session cookies without logging in, echoing a previously exploited vulnerability. A new flaw in Citrix NetScaler ADC and Gateway, dubbed ‘CitrixBleed 2‘ (CVE-2025-5777, CVSS v4.0 Base Score of 9.3), can allow unauthenticated attackers to steal session cookies, similar to a past critical exploit. The vulnerability is an […]
Pierluigi Paganini
February 20, 2025
Citrix addressed a high-severity privilege escalation vulnerability impacting NetScaler Console and NetScaler Agent under certain conditions. Citrix released security updates to address a high-severity security vulnerability, tracked as CVE-2024-12284 (CVSS score of 8.8) impacting NetScaler Console (formerly NetScaler ADM) and NetScaler Agent. The vulnerability is an improper privilege management that could allow attackers to escalate privileges […]
Pierluigi Paganini
July 10, 2024
IT giant Citrix addressed multiple vulnerabilities, including critical and high-severity issues in its NetScaler product. Citrix released security updates to address critical and high-severity issues in its NetScaler product. The most severe issue is an improper authorization flaw, tracked as CVE-2024-6235 (CVSS score of 9.4). An attacker with access to the NetScaler Console IP can […]
Pierluigi Paganini
May 10, 2024
Citrix urges customers to manually address a PuTTY SSH client flaw that could allow attackers to steal a XenCenter admin’s private SSH key. Versions of XenCenter for Citrix Hypervisor 8.2 CU1 LTSR used PuTTY, a third-party component, for SSH connections to guest VMs. However, PuTTY inclusion was deprecated with XenCenter version 8.2.6, and any versions […]
Pierluigi Paganini
January 18, 2024
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Chrome and Citrix flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added the following vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog. This week Citrix warned customers to install security updates to address two actively exploited zero-day vulnerabilities, tracked as CVE-2023-6548 and CVE-2023-6549, […]
Pierluigi Paganini
January 17, 2024
Citrix fixed two actively exploited zero-day vulnerabilities impacting Netscaler ADC and Gateway appliances. Citrix warns customers to install security updates to address two actively exploited zero-day vulnerabilities, tracked as CVE-2023-6548 and CVE-2023-6549, impacting Netscaler ADC and Gateway appliances. “Exploits of these CVEs on unmitigated appliances have been observed. Cloud Software Group strongly urges affected customers […]
Pierluigi Paganini
December 19, 2023
Comcast’s Xfinity discloses a data breach after a cyber attack hit the company by exploiting the CitrixBleed vulnerability. Comcast’s Xfinity is notifying its customers about the compromise of their data in a cyberattack that involved the exploitation of the CitrixBleed flaw. CitrixBleed is a critical vulnerability, tracked as CVE-2023-4966, in Citrix NetScaler ADC (Application Delivery […]
Malware / September 13, 2025
Data Breach / September 12, 2025
