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CVE-2021-26625— tobesoft Nexacro arbitrary file download vulnerability

Quick assessment

Affected
tobesoft Co.,Ltd Nexacro 17
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.

Tobesoft Nexacro是韩国Tobesoft公司的一套基于统一框架的OSMU（单来源多用途）应用程序开发解决方案。 Nexacro 17 17.1.3.700 版本之前存在安全漏洞，该漏洞源于 automatic update 功能不验证除版本信息外的输入数据。远程攻击者可以使用这种不完整的验证逻辑来下载和执行任意恶意文件。

CVSS 8.8 · High EPSS 0.63% · P49
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I. Basic Information for CVE-2021-26625

Vulnerability Information
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Vulnerability Title
tobesoft Nexacro arbitrary file download vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient Verification of input Data leading to arbitrary file download and execute was discovered in Nexacro platform. This vulnerability is caused by an automatic update function that does not verify input data except version information. Remote attackers can use this incomplete validation logic to download and execute arbitrary malicious file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Vulnerability Title
Tobesoft Nexacro数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tobesoft Nexacro是韩国Tobesoft公司的一套基于统一框架的OSMU（单来源多用途）应用程序开发解决方案。 Nexacro 17 17.1.3.700 版本之前存在安全漏洞，该漏洞源于 automatic update 功能不验证除版本信息外的输入数据。远程攻击者可以使用这种不完整的验证逻辑来下载和执行任意恶意文件。
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
tobesoft Co.,Ltd Nexacro 17 unspecified ~ 17.1.2.600 -

II. Public POCs for CVE-2021-26625

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III. Intelligence Information for CVE-2021-26625

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IV. Related Vulnerabilities

Same product: Nexacro 17
Same vendor: tobesoft Co.,Ltd
Same weakness: CWE-345

V. Comments for CVE-2021-26625

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