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CVE-2021-21517

Quick assessment

Affected
Dell SRS Policy Manager
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.

Dell SRS Policy Manager是美国戴尔（Dell）公司的一个应用软件。提供戴尔策略管理功能 SRS Policy Manager 6.X 存在安全漏洞，该漏洞源于错误配置的XML解析器在处理用户提供的DTD输入时没有进行足够的验证。攻击者可利用该漏洞作为非根用户读取系统文件，并可能暂时中断ESRS服务。

CVSS 7.2 · High EPSS 1.40% · P71
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I. Basic Information for CVE-2021-21517

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
SRS Policy Manager 6.X is affected by an XML External Entity Injection (XXE) vulnerability due to a misconfigured XML parser that processes user-supplied DTD input without sufficient validation. A remote unauthenticated attacker can potentially exploit this vulnerability to read system files as a non-root user and may be able to temporarily disrupt the ESRS service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5
Vulnerability Title
Dell SRS Policy Manager 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell SRS Policy Manager是美国戴尔（Dell）公司的一个应用软件。提供戴尔策略管理功能 SRS Policy Manager 6.X 存在安全漏洞，该漏洞源于错误配置的XML解析器在处理用户提供的DTD输入时没有进行足够的验证。攻击者可利用该漏洞作为非根用户读取系统文件，并可能暂时中断ESRS服务。
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
Dell SRS Policy Manager unspecified ~ 7.0 -

II. Public POCs for CVE-2021-21517

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III. Intelligence Information for CVE-2021-21517

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Other References for CVE-2021-21517 (1)

IV. Related Vulnerabilities

Same vendor: Dell
Same weakness: CWE-611

V. Comments for CVE-2021-21517

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