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CVE-2021-21972 is the remote code execution vulnerability that has been recently reported in the vSphere client plugin of VMware vCenter server. It is because of improper validation of directory paths in the uploaded tar archive (OVA).
VMware vCenter Server 7.0 - Remote Code Execution (RCE) (Unauthenticated). CVE-2021-21972 . webapps exploit for Multiple platform
Description This module exploits an unauthenticated OVA file upload and path traversal in VMware vCenter Server to write a JSP payload to a web-accessible directory. Fixed versions are 6.5 Update 3n, 6.7 Update 3l, and 7.0 Update 1c. Note that later vulnerable versions of the Linux appliance aren't exploitable via the webshell technique. Furthermore, writing an SSH public key to /home/vsphere ...
CVE-2021-21972 - ᴠᴍᴡᴀʀᴇ ᴄʟɪᴇɴᴛ ᴜɴᴀᴜᴛʜᴏʀɪᴢᴇᴅ ᴄᴏᴅᴇ ɪɴᴊᴇᴄᴛɪᴏɴ (ʀᴄᴇ) - orangmuda/CVE-2021-21972
Overview On February 23, 2021, VMware released an update to fix three vulnerabilities - CVE-2021-21972, CVE-2021-21973, and CVE-2021-21974. Out of these, CVE-2021-21972 is a critical remote code execution vulnerability with the highest CVE score (9.8). The bug exists in the vROPs (vRealize Operations) plugin of VMware vCenter Server. Successful exploitation of this vulnerability could allow ...
根据我的理解,每个插件都必须指定其哪些端点需要在web面板中授权才能运行,哪些不需要。 例如,上面这个插件就被配置为允许未经授权的用户访问它处理的任何URL。 负责处理 URL /ui/vropspluginui/rest/services/uploadova 的 uploadOvaFile 函数引起了我的兴趣。 存在漏洞 ...
Here is the full list of possible evasion options supported by the multi/http/vmware_vcenter_uploadova_rce exploit in order to evade defenses (e.g. Antivirus, EDR, Firewall, NIDS etc.):
0x01. 漏洞介绍 vCenter Server 为 ESXi 的控制中心,可从单一控制点统一管理数据中心的所有 vSphere 主机和虚拟机。 CVE-2021-21972 是Vcenter的一个未授权文件上传漏洞。该漏洞可以上传文件至vcenter服务器的任意位置。由于该服务System权限,可以任意写,可上传webshell并执行,如果是Linux环境并开放了ssh,可 ...
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