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CVE-2021-20147

Quick assessment

Affected
n/a ManageEngine ADSelfService Plus
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ZOHO ManageEngine ADSelfService Plus是美国卓豪（ZOHO）公司的针对 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。 ZOHO ManageEngine ADSelfService Plus 存在安全漏洞，该漏洞源于 ManageEngine ADSelfService Plus 的 build 6116 版本在 ChangePasswordAPI 的 UMCP 操作中包含可观察到的响应差异。 这允许未经身份验证的远程攻击者确定

AI Predicted 5.3 Difficulty: Easy EPSS 6.90% · P94

Possible ATT&CK Techniques 1 AI

T1087 · Account Discovery
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I. Basic Information for CVE-2021-20147

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
ManageEngine ADSelfService Plus below build 6116 contains an observable response discrepancy in the UMCP operation of the ChangePasswordAPI. This allows an unauthenticated remote attacker to determine whether a Windows domain user exists.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ZOHO ManageEngine ADSelfService Plus 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZOHO ManageEngine ADSelfService Plus是美国卓豪（ZOHO）公司的针对 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。 ZOHO ManageEngine ADSelfService Plus 存在安全漏洞，该漏洞源于 ManageEngine ADSelfService Plus 的 build 6116 版本在 ChangePasswordAPI 的 UMCP 操作中包含可观察到的响应差异。 这允许未经身份验证的远程攻击者确定
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- ManageEngine ADSelfService Plus < 6116 -

II. Public POCs for CVE-2021-20147

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-20147

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Same Patch Batch · n/a · 2022-01-03 · 11 CVEs total

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CVE-2021-45428 Telesquare TLR-2005KSH 安全漏洞
CVE-2021-46109 Asus Rt-Ac52U_B1 跨站脚本漏洞
CVE-2020-23026 Dhrystone 代码问题漏洞
CVE-2021-20148 ZOHO ManageEngine ADSelfService Plus 信息泄露漏洞
CVE-2021-37120 Huawei Smartphone 资源管理错误漏洞
CVE-2021-37121 HuaWei Smartphone 安全漏洞
CVE-2021-37110 Huawei HarmonyOS 安全漏洞
CVE-2021-38576 Tianocore EDK II 安全漏洞
CVE-2021-45829 HDF5 安全漏洞

IV. Related Vulnerabilities

Same product: ManageEngine ADSelfService Plus
Same vendor: n/a

V. Comments for CVE-2021-20147

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