Emergency Response

Overview Recently, NSFOCUS CERT found that Atlassian officially fixed a Jira Service Management Server and Data Center authentication bypass vulnerability (CVE-2023-22501). When write access to user directories and outgoing emails is enabled on a Jira Service Management instance, an unauthenticated remote attacker can gain access to Jira Service Management by impersonating users who have never […]

Overview Recently, NSFOCUS CERT found that the technical details of the F5 BIG-IP arbitrary code execution vulnerability (CVE-2023-22374) were publicly disclosed online. Due to the format string vulnerability in BIG-IP iControl SOAP, a remote attacker with administrator authority can access the iControl SOAP interface through the BIG-IP management port or its own IP address, so […]

Overview On January 31, 2023, NSFOCUS CERT detected that QNAP officially released a QNAP QTS and QuTS hero SQL injection vulnerability (CVE-2022-27596) notice. Due to the flaws in QNAP QTS and QuTS hero, unauthenticated remote attackers can use this vulnerability to inject malicious code on QNAP NAS devices, and ultimately achieve arbitrary code execution. The […]

Overview Recently, NSFOCUS CERT found that VMware has officially fixed multiple security vulnerabilities in VMware vRealize Log Insight. Under default configuration conditions, unauthenticated attackers exploit the following key vulnerabilities in combination, and finally achieve arbitrary code execution with ROOT privileges on the target system. These vulnerabilities have been successfully verified by international security teams, and […]

Overview Recently, NSFOCUS CERT detected that the technical details of the Harbor Unauthorized Access Vulnerability (CVE-2022-46463) were publicly disclosed on the Internet. Due to an access control flaw in Harbor, an attacker without authentication can access all information of public and private image repositories through this vulnerability and perform image pull. Currently, the technical details […]

Overview Recently, NSFOCUS CERT found that security teams overseas publicly disclosed the technical details of the exploit chain for Exchange Server vulnerabilities. An authenticated remote attacker exploits an Exchange Server privilege escalation vulnerability (CVE-2022-41080) to gain permission to execute PowerShell in the context of the system on an endpoint Outlook Web Application (OWA). An attacker […]

Overview On December 26, 2022, NSFOCUS CERT detected multiple security vulnerabilities in Linux Kernel released online, relevant users are requested to take protective measures as soon as possible. Linux Kernel Remote Code Execution Vulnerability (CVE-2022-47939): A remote code execution vulnerability exists in Linux Kernel SMB2_TREE_DISCONNECT command processing. Due to the lack of verification of the […]

Overview On December 14, NSFOCUS CERT detected that Citrix officially released a remote code execution vulnerability (CVE-2022-27518) in Citrix ADC and Gateway. Due to deficiencies in the system’s control over the lifecycle of resources, an unauthenticated remote attacker could exploit this vulnerability to execute arbitrary code on a target system when Citrix ADC and Citrix […]

Overview Recently, NSFOCUS CERT detected that Fortinet officially fixed a remote code execution vulnerability (CVE-2022-42475) in FortiOS sslvpnd. Due to the flaw in sslvpnd’s validation of user input, an unauthenticated attacker can trigger a buffer overflow by sending a specially crafted packet, which can eventually execute arbitrary code on the target system. The CVSS score […]

Overview Recently, NSFOCUS CERT has monitored that the exploit details of the Thinkphp remote code execution vulnerability are publicly disclosed on the Internet. Due to the incoming parameter inspection defect in the Thinkphp program, when Thinkphp enables the multilingual function, unauthenticated attackers can pass in parameters through get, header, cookie, etc., to achieve directory traversal […]