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CVE-2021-44203— Stored cross-site scripting (XSS) was possible in protection plan details

Quick assessment

Affected
Acronis Acronis Cyber Protect 15
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.

TIETEN Acronis Cyber Protect是中国TIETEN Acronis Cyber Protect（TIETEN）公司的一个应用程序。提供将备份、灾难恢复、基于人工智能的恶意软件保护、远程协助和安全集成到一个单一、可靠的工具中，从而统一您的网络保护。 Acronis Cyber Protect 15 存在跨站脚本漏洞，该漏洞源于该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

AI Predicted 6.1 Difficulty: Easy EPSS 0.47% · P38

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-44203

Vulnerability Information
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Vulnerability Title
Stored cross-site scripting (XSS) was possible in protection plan details
Source: CVE Program / CVE List V5
Vulnerability Description
Stored cross-site scripting (XSS) was possible in protection plan details. The following products are affected: Acronis Cyber Protect 15 (Windows, Linux) before build 28035
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
TIETEN Acronis Cyber Protect 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TIETEN Acronis Cyber Protect是中国TIETEN Acronis Cyber Protect（TIETEN）公司的一个应用程序。提供将备份、灾难恢复、基于人工智能的恶意软件保护、远程协助和安全集成到一个单一、可靠的工具中，从而统一您的网络保护。 Acronis Cyber Protect 15 存在跨站脚本漏洞，该漏洞源于该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。
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
Acronis Acronis Cyber Protect 15 unspecified ~ 28035 -
Acronis Acronis Cyber Protect 15 unspecified ~ 28035 -

II. Public POCs for CVE-2021-44203

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III. Intelligence Information for CVE-2021-44203

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Other References for CVE-2021-44203 (1)

Same Patch Batch · Acronis · 2021-11-29 · 7 CVEs total

CVE-2021-34800 Sensitive information could be logged
CVE-2021-44200 Self cross-site scripting (XSS) was possible on devices page
CVE-2021-44199 DLL hijacking could lead to denial of service
CVE-2021-44202 Stored cross-site scripting (XSS) was possible in activity details
CVE-2021-44198 DLL hijacking could lead to local privilege escalation
CVE-2021-44201 Cross-site scripting (XSS) was possible in notification pop-ups

IV. Related Vulnerabilities

Same product: Acronis Cyber Protect 15
Same vendor: Acronis
Same weakness: CWE-79

V. Comments for CVE-2021-44203

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