CVE-2022-27518

Citrix has patched three vulnerabilities (CVE-2023-3519, CVE-2023-3466, CVE-2023-3467) in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway), one of which is a zero-day being exploited by attackers. A zero-day patched (CVE-2023-3519) CVE-2023-3519 is a remote code execution (RCE) vulnerability that could allow an unauthenticated threat actor to execute arbitrary code on a vulnerable server. At this time there is no public PoC, but the vulnerability has been observed being exploited in the … More →

Experts warn that 55 zero-day vulnerabilities were exploited in attacks carried out by ransomware and cyberespionage groups in 2022. Cybersecurity firm Mandiant reported that ransomware and cyberespionage groups exploited 55 zero-day flaws in attacks in the wild. Most of the zero-day vulnerabilities were in software from Microsoft, Google, and Apple. The figures show a decrease […]

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Researchers warn of thousands of Citrix Application Delivery Controller (ADC) and Gateway endpoints are still unpatched. NCC Group’s Fox-IT research team warns of thousands of Citrix ADC and Gateway endpoints remain vulnerable to two critical vulnerabilities, tracked as CVE-2022-27510 and CVE-2022-27518 (CVSS scores: 9.8), that the company addressed in recent months. CVE-2022-27510 flaw is an authentication bypass using an […]

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Vulnerability with public PoC affects Cisco IP phones, fix unavailable (CVE-2022-20968) A high-risk stack overflow vulnerability (CVE-2022-20968) may allow attackers to DoS or possibly even execute code remotely on Cisco 7800 and 8800 Series IP phones, the company has confirmed. Critical FortiOS pre-auth RCE vulnerability exploited by attackers (CVE-2022-42475) A critical RCE vulnerability (CVE-2022-42475) in Fortinet’s operating system, FortiOS, is … More →

US CISA added two vulnerabilities impacting Veeam Backup & Replication software to its Known Exploited Vulnerabilities Catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added two vulnerabilities impacting Veeam Backup & Replication software, tracked as CVE-2022-26500 and CVE-2022-26501 (CVSS 3.1 Base Score 9.8), to its Known Exploited Vulnerabilities Catalog. According to Binding Operational Directive (BOD) 22-01: Reducing the Significant […]

Citrix urges customers to update their installs to fix actively exploited zero-day (CVE-2022-27518) in Citrix ADC and Gateway. Citrix urges administrators to apply security updates for a zero-day vulnerability, tracked as CVE-2022-27518, in Citrix ADC and Gateway. The vulnerability is actively exploited by China-linked threat actors to gain access to target networks. “We are aware […]

Virtualization technology giant Citrix on Tuesday scrambled out an emergency patch to cover a zero-day flaw in its networking product line and warned that a Chinese hacking group has already been caught exploiting the vulnerability.

An unauthenticated remote code execution flaw (CVE-2022-27518) is being leveraged by a Chinese state-sponsored group to compromise Citrix Application Delivery Controller (ADC) deployments, the US National Security Agency has warned. “Targeting Citrix ADCs can facilitate illegitimate access to targeted organizations by bypassing normal authentication controls.” About CVE-2022-27518 CVE-2022-27518 stems from the vulnerable devices’ software failing to maintain control over a resource throughout its lifetime (creation, use, and release) and gives remote attackers the opportunity to … More →