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CVE-2025-21117

Quick assessment

Affected
Dell Avamar
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 Avamar是美国戴尔（Dell）公司的一种专门构建的备份应用装置。用于提供大小方便、统包式、经济实惠、重复数据删除的备份解决方案。 Dell Avamar 19.4及之前版本存在安全漏洞，该漏洞源于在 AUI 中包含访问令牌重用，导致低权限本地攻击者能够冒充用户。

CVSS 6.6 · Medium EPSS 0.16% · P5
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I. Basic Information for CVE-2025-21117

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Dell Avamar, version 19.4 or later, contains an access token reuse vulnerability in the AUI. A low privileged local attacker could potentially exploit this vulnerability, leading to fully impersonating the user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在过期或释放后对资源进行操作
Source: CVE Program / CVE List V5
Vulnerability Title
Dell Avamar 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell Avamar是美国戴尔（Dell）公司的一种专门构建的备份应用装置。用于提供大小方便、统包式、经济实惠、重复数据删除的备份解决方案。 Dell Avamar 19.4及之前版本存在安全漏洞，该漏洞源于在 AUI 中包含访问令牌重用，导致低权限本地攻击者能够冒充用户。
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 Avamar 19.4 -

II. Public POCs for CVE-2025-21117

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III. Intelligence Information for CVE-2025-21117

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Vendor Advisories for CVE-2025-21117 (1)

IV. Related Vulnerabilities

Same product: Avamar
Same vendor: Dell
Same weakness: CWE-672

V. Comments for CVE-2025-21117

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