{
  "Name": "Zoho ManageEngine ADSelfService Plus Username Enumeration",
  "Description": "<p>Zoho ManageEngine ADSelfService Plus is an integrated self-service password management and single sign-on solution system for Active Directory and cloud applications.</p><p>There is a username enumeration vulnerability in Zoho ManageEngine ADSelfService Plus system/ServletAPI/accounts/login interface. Attackers can enumerate domain users registered to AdSelfService through brute force.</p>",
  "Product": "Zoho ManageEngine ADSelfService Plus",
  "Homepage": "https://www.manageengine.com/products/self-service-password/",
  "DisclosureDate": "2022-04-21",
  "Author": "1291904552@qq.com",
  "FofaQuery": "banner=\"Set-Cookie: _zcsr_tmp=\" || header=\"Set-Cookie: _zcsr_tmp=\"",
  "GobyQuery": "banner=\"Set-Cookie: _zcsr_tmp=\" || header=\"Set-Cookie: _zcsr_tmp=\"",
  "Level": "0",
  "Impact": "<p>There is a username enumeration vulnerability in Zoho ManageEngine ADSelfService Plus system/ServletAPI/accounts/login interface. Attackers can enumerate domain users registered to AdSelfService through brute force.</p>",
  "Recommendation": "<p>The vendor has released a bug fix, please pay attention to the update in time: <a href=\"https://www.manageengine.com/products/self-service-password/\">https://www.manageengine.com/products/self-service-password/</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": "Zoho ManageEngine ADSelfService Plus 系统用户名枚举漏洞",
      "Product": "Zoho ManageEngine ADSelfService Plus",
      "Description": "<p>Zoho ManageEngine ADSelfService Plus 是针对 Active Directory 和云应用程序的集成式自助密码管理和单点登录解决方案系统。</p><p>Zoho ManageEngine ADSelfService Plus 系统/ServletAPI/accounts/login接口存在用户名枚举漏洞，攻击者可通过暴力破解的方式来枚举已注册到 AdSelfService 的域用户。</p>",
      "Recommendation": "<p>⼚商已发布了漏洞修复程序，请及时关注更新：<a href=\"https://www.manageengine.com/products/self-service-password/\">https://www.manageengine.com/products/self-service-password/</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>",
      "Impact": "<p>Zoho ManageEngine ADSelfService Plus 系统/ServletAPI/accounts/login接口存在用户名枚举漏洞，攻击者可通过暴力破解的方式来枚举已注册到 AdSelfService 的域用户。</p>",
      "VulType": [
        "其他"
      ],
      "Tags": [
        "其他"
      ]
    },
    "EN": {
      "Name": "Zoho ManageEngine ADSelfService Plus Username Enumeration",
      "Product": "Zoho ManageEngine ADSelfService Plus",
      "Description": "<p>Zoho ManageEngine ADSelfService Plus is an integrated self-service password management and single sign-on solution system for Active Directory and cloud applications.</p><p>There is a username enumeration vulnerability in Zoho ManageEngine ADSelfService Plus system/ServletAPI/accounts/login interface. Attackers can enumerate domain users registered to AdSelfService through brute force.</p>",
      "Recommendation": "<p>The vendor has released a bug fix, please pay attention to the update in time: <a href=\"https://www.manageengine.com/products/self-service-password/\">https://www.manageengine.com/products/self-service-password/</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>",
      "Impact": "<p>There is a username enumeration vulnerability in Zoho ManageEngine ADSelfService Plus system/ServletAPI/accounts/login interface. Attackers can enumerate domain users registered to AdSelfService through brute force.</p>",
      "VulType": [
        "Other"
      ],
      "Tags": [
        "Other"
      ]
    }
  },
  "References": [
    "https://github.com/passtheticket/vulnerability-research/blob/main/manage-engine-apps/adselfservice-userenum.md"
  ],
  "HasExp": true,
  "ExpParams": [
    {
      "Name": "AttackType",
      "Type": "select",
      "Value": "Brute force,cmd"
    },
    {
      "Name": "Username",
      "Type": "input",
      "show": "AttackType=cmd",
      "Value": "Administrator"
    }
  ],
  "ExpTips": null,
  "ScanSteps": [
    "AND",
    {
      "Request": {
        "method": "GET",
        "uri": "/test.php",
        "follow_redirect": true,
        "header": {},
        "data_type": "text",
        "data": ""
      },
      "ResponseTest": {
        "type": "group",
        "operation": "AND",
        "checks": [
          {
            "type": "item",
            "variable": "$code",
            "operation": "==",
            "value": "200",
            "bz": ""
          },
          {
            "type": "item",
            "variable": "$body",
            "operation": "contains",
            "value": "test",
            "bz": ""
          }
        ]
      },
      "SetVariable": []
    }
  ],
  "Tags": [
    "Other"
  ],
  "VulType": [
    "Other"
  ],
  "CVEIDs": [
    ""
  ],
  "CVSSScore": "4.3",
  "AttackSurfaces": {
    "Application": null,
    "Support": null,
    "Service": null,
    "System": null,
    "Hardware": null
  },
  "CNNVD": [
    ""
  ],
  "CNVD": [
    ""
  ],
  "ExploitSteps": [
    "AND",
    {
      "Request": {
        "method": "GET",
        "uri": "/test.php",
        "follow_redirect": true,
        "header": {},
        "data_type": "text",
        "data": ""
      },
      "ResponseTest": {
        "type": "group",
        "operation": "AND",
        "checks": [
          {
            "type": "item",
            "variable": "$code",
            "operation": "==",
            "value": "200",
            "bz": ""
          },
          {
            "type": "item",
            "variable": "$body",
            "operation": "contains",
            "value": "test",
            "bz": ""
          }
        ]
      },
      "SetVariable": []
    }
  ]
}