Citrix released a security update to address the vulnerability impacting NetScaler appliances. Tracked as CVE-2025-6543, successfully exploiting the memory overflow vulnerability may lead to unintended control flow and Denial of Service. Citrix mentioned in the advisory that they have reports suggesting exploitation of this vulnerability on unmitigated appliances. CISA acknowledged the vulnerability’s active exploitation by … Continue reading “Citrix NetScaler ADC and NetScaler Gateway Vulnerability Exploited in Denial-of-Service Attacks (CVE-2025-6543)”
Tag: NetScaler ADC
Citrix NetScaler ADC and NetScaler Gateway Vulnerabilities Exploited in the Wild (CVE-2023-6548 and CVE-2023-6549)
CVE-2023-6548 and CVE-2023-6549 are the two vulnerabilities impacting Citrix NetScaler ADC and NetScaler Gateway. On successful exploitation, the vulnerabilities may result in remote code execution and denial of service. Citrix has mentioned in the advisory that they have observed the exploitation attempts on vulnerable appliances. Citrix stated in the advisory, “This bulletin only applies to … Continue reading “Citrix NetScaler ADC and NetScaler Gateway Vulnerabilities Exploited in the Wild (CVE-2023-6548 and CVE-2023-6549)”
NetScaler Application Delivery Controller (ADC) and NetScaler Gateway Multiple Vulnerabilities (CVE-2023-4966 & CVE-2023-4967) (CitrixBleed)
Citrix has released patches to address two vulnerabilities (CVE-2023-4966 & CVE-2023-4967) in NetScaler ADC and Gateway. CVE-2023-4966 has been rated as critical, with a CVSS score of 9.4. Successful exploitation of the vulnerability may lead to information disclosure. CVE-2023-4967 has a high severity rating and a CVSS score of 8.2. Successful exploitation of the vulnerability … Continue reading “NetScaler Application Delivery Controller (ADC) and NetScaler Gateway Multiple Vulnerabilities (CVE-2023-4966 & CVE-2023-4967) (CitrixBleed)”
Qualys Discloses Multiple Vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway
Qualys Security Research Team has disclosed multiple vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway. Citrix has addressed these vulnerabilities in CTX232161. The affected versions and CVEs are listed below. CVE(s) Description Product Affected Version : Build CVE-2018-6810 Directory Traversal Vulnerability Citrix NetScaler Application Delivery Controller (ADC) and NetScaler Gateway < 12.0 : 57.19 < 11.1 : … Continue reading “Qualys Discloses Multiple Vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway”
