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CVE-2020-15261— Unquoted service path vulnerability on Veyon

Quick assessment

Affected
veyon veyon
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Veyon Service是个人开发者的一款用于Windows和Linux的计算机监控和教室管理软件。该软件可使教师可以查看和控制计算机实验室并与学生互动。 Veyon Service 4.4.2之前版本存在安全漏洞，该漏洞源于一个未引用的服务路径漏洞，攻击者可利用该漏洞使用LocalSystem特权运行恶意的可执行文件。

CVSS 8.0 · High EPSS 11.25% · P96

Public Exploits 1

ExploitDB · 1 EDB-49925 [local]
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I. Basic Information for CVE-2020-15261

Vulnerability Information
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Vulnerability Title
Unquoted service path vulnerability on Veyon
Source: CVE Program / CVE List V5
Vulnerability Description
On Windows the Veyon Service before version 4.4.2 contains an unquoted service path vulnerability, allowing locally authenticated users with administrative privileges to run malicious executables with LocalSystem privileges. Since Veyon users (both students and teachers) usually don't have administrative privileges, this vulnerability is only dangerous in anyway unsafe setups. The problem has been fixed in version 4.4.2. As a workaround, the exploitation of the vulnerability can be prevented by revoking administrative privileges from all potentially untrustworthy users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经引用的搜索路径或元素
Source: CVE Program / CVE List V5
Vulnerability Title
Veyon Service 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Veyon Service是个人开发者的一款用于Windows和Linux的计算机监控和教室管理软件。该软件可使教师可以查看和控制计算机实验室并与学生互动。 Veyon Service 4.4.2之前版本存在安全漏洞，该漏洞源于一个未引用的服务路径漏洞，攻击者可利用该漏洞使用LocalSystem特权运行恶意的可执行文件。
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
veyon veyon < 0.11.5 -

II. Public POCs for CVE-2020-15261

# POC Description Source Link Shenlong Link
1 CVE-2020-15261 test https://github.com/yaoyao-cool/CVE-2020-15261 POC Details
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III. Intelligence Information for CVE-2020-15261

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Patches & Fixes for CVE-2020-15261 (1)

Vendor Advisories for CVE-2020-15261 (1)

Exploits & Public PoCs for CVE-2020-15261 (2)

Other References for CVE-2020-15261 (1)

IV. Related Vulnerabilities

Same weakness: CWE-428

V. Comments for CVE-2020-15261

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