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CVE-2020-25754

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Envoy是一款开源的分布式代理服务器。 Enphase Envoy 存在安全漏洞，该漏洞源于用户身份验证的自定义PAM模块，它绕过了传统的用户身份验证，该模块使用用户名和序列号的MD5散列派生的密码。序列号可以由未经身份验证的用户在info.xml中检索。攻击者可利用该漏洞试图通过passwd或其他工具更改用户密码无效。

AI Predicted 8.1 Difficulty: Trivial EPSS 1.34% · P69

Possible ATT&CK Techniques 1 AI

T1078.003 · Local Accounts
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I. Basic Information for CVE-2020-25754

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered on Enphase Envoy R3.x and D4.x devices. There is a custom PAM module for user authentication that circumvents traditional user authentication. This module uses a password derived from the MD5 hash of the username and serial number. The serial number can be retrieved by an unauthenticated user at /info.xml. Attempts to change the user password via passwd or other tools have no effect.
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
Enphase Envoy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Envoy是一款开源的分布式代理服务器。 Enphase Envoy 存在安全漏洞，该漏洞源于用户身份验证的自定义PAM模块，它绕过了传统的用户身份验证，该模块使用用户名和序列号的MD5散列派生的密码。序列号可以由未经身份验证的用户在info.xml中检索。攻击者可利用该漏洞试图通过passwd或其他工具更改用户密码无效。
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
- n/a n/a -

II. Public POCs for CVE-2020-25754

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III. Intelligence Information for CVE-2020-25754

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Security Blog Posts for CVE-2020-25754 (1)

Other References for CVE-2020-25754 (1)

Same Patch Batch · n/a · 2021-06-16 · 54 CVEs total

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Showing top 20 of 54 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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