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CVE-2021-47826— Acer Backup Manager Module 3.0.0.99 - 'IScheduleSvc.exe' Unquoted Service Path

Quick assessment

Affected
Acer Acer Backup Manager Module
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.

Acer Backup Manager是中国台湾宏碁（Acer）公司的一个备份管理软件。 Acer Backup Manager 3.0.0.99版本存在代码问题漏洞，该漏洞源于NTI IScheduleSvc服务存在未加引号的服务路径，可能导致执行任意代码。

CVSS 7.8 · High EPSS 0.16% · P5
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I. Basic Information for CVE-2021-47826

Vulnerability Information
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Vulnerability Title
Acer Backup Manager Module 3.0.0.99 - 'IScheduleSvc.exe' Unquoted Service Path
Source: CVE Program / CVE List V5
Vulnerability Description
Acer Backup Manager 3.0.0.99 contains an unquoted service path vulnerability in the NTI IScheduleSvc service that allows local users to potentially execute arbitrary code. Attackers can exploit the unquoted path in C:\Program Files (x86)\NTI\Acer Backup Manager\ to inject malicious executables that would run with elevated LocalSystem privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/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
Acer Backup Manager 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Acer Backup Manager是中国台湾宏碁（Acer）公司的一个备份管理软件。 Acer Backup Manager 3.0.0.99版本存在代码问题漏洞，该漏洞源于NTI IScheduleSvc服务存在未加引号的服务路径，可能导致执行任意代码。
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
Acer Acer Backup Manager Module 3.0.0.99 -

II. Public POCs for CVE-2021-47826

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III. Intelligence Information for CVE-2021-47826

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Other References for CVE-2021-47826 (1)

Same Patch Batch · Acer · 2026-01-16 · 3 CVEs total

CVE-2021-47825 7.8 HIGH Acer Updater Service 1.2.3500.0 - 'UpdaterService.exe' Unquoted Service Path
CVE-2021-47823 7.8 HIGH ePowerSvc 6.0.3008.0 - 'ePowerSvc.exe' Unquoted Service Path

IV. Related Vulnerabilities

Same vendor: Acer
Same weakness: CWE-428

V. Comments for CVE-2021-47826

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