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CVE-2021-3552— Insufficient validation on regular expression in EPPUpdateService config file (VA-9825)

Quick assessment

Affected
Bitdefender Endpoint Security Tools
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.

Bitdefender Endpoint Security Tool是罗马尼亚比特梵德（Bitdefender）公司的一款终端安全管理工具。 Bitdefender Endpoint Security Tools 存在安全漏洞，该漏洞源于软件的 EPPUpdateService组件中缺少针对服务器端请求伪造的有效检验，这允许攻击者可利用该漏洞将请求代理到中继服务器。

CVSS 5.3 · Medium EPSS 1.34% · P70
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I. Basic Information for CVE-2021-3552

Vulnerability Information
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Vulnerability Title
Insufficient validation on regular expression in EPPUpdateService config file (VA-9825)
Source: CVE Program / CVE List V5
Vulnerability Description
A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService component of Bitdefender Endpoint Security Tools allows an attacker to proxy requests to the relay server. This issue affects: Bitdefender Endpoint Security Tools versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender GravityZone 6.24.1-1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Bitdefender Endpoint Security Tool 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bitdefender Endpoint Security Tool是罗马尼亚比特梵德（Bitdefender）公司的一款终端安全管理工具。 Bitdefender Endpoint Security Tools 存在安全漏洞，该漏洞源于软件的 EPPUpdateService组件中缺少针对服务器端请求伪造的有效检验，这允许攻击者可利用该漏洞将请求代理到中继服务器。
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
Bitdefender Endpoint Security Tools unspecified ~ 6.6.27.390 -
Bitdefender GravityZone 6.24.1-1 -

II. Public POCs for CVE-2021-3552

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III. Intelligence Information for CVE-2021-3552

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Other References for CVE-2021-3552 (1)

Same Patch Batch · Bitdefender · 2021-11-24 · 3 CVEs total

CVE-2021-3554 9.0 CRITICAL Improper Access Control vulnerability in the patchesUpdate API
CVE-2021-3553 5.3 MEDIUM Server-Side Request Forgery in EPPUpdateService remote config file (VA-9825)

IV. Related Vulnerabilities

Same product: Endpoint Security Tools
Same vendor: Bitdefender
Same weakness: CWE-918

V. Comments for CVE-2021-3552

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