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CVE-2021-44199— DLL hijacking could lead to denial of service

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.

Acronis Agent是新加坡安克诺斯（Acronis）的一个代理软件。 多款 Acronis 产品中存在代码问题漏洞，该漏洞源于产品未对dll文件做有效验证。攻击者可通过该漏洞导致拒绝服务。以下产品受到影响: Acronis Cyber Protect 15 (Windows) 28035 之前版本， Acronis Agent (Windows) 27305 之前版本， Acronis Cyber Protect Home Office (Windows) 39612 之前版本。

AI Predicted 5.5 Difficulty: Easy EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1574 · Hijack Execution Flow
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I. Basic Information for CVE-2021-44199

Vulnerability Information
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Vulnerability Title
DLL hijacking could lead to denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
DLL hijacking could lead to denial of service. The following products are affected: Acronis Cyber Protect 15 (Windows) before build 28035, Acronis Agent (Windows) before build 27305, Acronis Cyber Protect Home Office (Windows) before build 39612
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Acronis Agent 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Acronis Agent是新加坡安克诺斯（Acronis）的一个代理软件。 多款 Acronis 产品中存在代码问题漏洞，该漏洞源于产品未对dll文件做有效验证。攻击者可通过该漏洞导致拒绝服务。以下产品受到影响: Acronis Cyber Protect 15 (Windows) 28035 之前版本， Acronis Agent (Windows) 27305 之前版本， Acronis Cyber Protect Home Office (Windows) 39612 之前版本。
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 Agent unspecified ~ 27305 -
Acronis Acronis Cyber Protect Home Office unspecified ~ 39612 -

II. Public POCs for CVE-2021-44199

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III. Intelligence Information for CVE-2021-44199

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Other References for CVE-2021-44199 (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-2021-44202 Stored cross-site scripting (XSS) was possible in activity details
CVE-2021-44203 Stored cross-site scripting (XSS) was possible in protection plan 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-427

V. Comments for CVE-2021-44199

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