{
  "Name": "MovableType RCE (CVE-2021-20837)",
  "Description": "<p>MovableType is a safe, high-speed, serverless SaaS type comprehensive CMS system.</p><p>Unauthorized command execution exists when the MovableType management system processes XMLRPC requests, and attackers can obtain server permissions.</p>",
  "Product": "MovableType",
  "Homepage": "https://movabletype.net/",
  "DisclosureDate": "2021-10-25",
  "Author": "1291904552@qq.com",
  "FofaQuery": "body=\"Movable Type\"",
  "GobyQuery": "body=\"Movable Type\"",
  "Level": "3",
  "Impact": "<p>Unauthorized command execution exists when the MovableType management system processes XMLRPC requests, and attackers can obtain server permissions.</p>",
  "Recommendation": "<p>The vendor has released a bug fix, please pay attention to the update in time: <a href=\"https://movabletype.net\">https://movabletype.net</a></p><p>1. Set access policies and whitelist access through security devices such as firewalls.</p><p>2.If not necessary, prohibit public network access to the system.</p>",
  "Translation": {
    "CN": {
      "Name": "MovableType 管理系统远程命令执行漏洞（CVE-2021-20837）",
	  "Product": "MovableType",
      "VulType": ["命令执行"],
	  "Tags": ["命令执行"],
      "Description": "<p>MovableType是一款安全、高速、无服务器的SaaS型全面CMS系统。</p><p>MovableType 管理系统处理 XMLRPC 请求时存在未授权的命令执行，攻击者可获取服务器权限。</p>",
      "Impact": "<p>MovableType 管理系统处理 XMLRPC 请求时存在未授权的命令执行，攻击者可获取服务器权限。</p>",
      "Recommendation": "<p>厂商暂未提供修复方案，请关注厂商网站及时更新: <a href=\"https://movabletype.net\">https://movabletype.net</a></p><p>1、通过防⽕墙等安全设备设置访问策略，设置⽩名单访问。</p><p>2、如⾮必要，禁⽌公⽹访问该系统。</p>"
    },
    "EN": {
      "Name": "MovableType RCE (CVE-2021-20837)",
	  "Product": "MovableType",
      "VulType": ["rce"],
	  "Tags": ["rce"],
      "Description": "<p>MovableType is a safe, high-speed, serverless SaaS type comprehensive CMS system.</p><p>Unauthorized command execution exists when the MovableType management system processes XMLRPC requests, and attackers can obtain server permissions.</p>",
      "Impact": "<p>Unauthorized command execution exists when the MovableType management system processes XMLRPC requests, and attackers can obtain server permissions.</p>",
      "Recommendation": "<p>There is currently no detailed solution provided, please pay attention to the manufacturer's homepage update: <a href=\"https://movabletype.net\">https://movabletype.net</a></p><p>1. Set access policies and whitelist access through security devices such as firewalls.</p><p>2. If not necessary, prohibit public network access to the system.</p>"
    }
  },
  "References": [
    "https://nemesis.sh/posts/movable-type-0day/"
  ],
  "HasExp": true,
  "ExpParams": [
    {
      "name": "cmd",
      "type": "input",
      "value": "id"
    }
  ],
  "ExpTips": null,
  "ScanSteps": null,
  "Tags": [
    "rce"
  ],
  "VulType": [
    "rce"
  ],
  "CVEIDs": [
    "CVE-2021-20837"
  ],
  "CVSSScore": "9.0",
  "AttackSurfaces": {
    "Application": ["MovableType"],
    "Support": null,
    "Service": null,
    "System": null,
    "Hardware": null
  },
  "CNNVD": [
    ""
  ],
  "CNVD": [
    ""
  ]
}