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CVE-2025-8904— Privilege escalation issue in Amazon EMR Secret Agent component

Quick assessment

Affected
Amazon EMR
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.

Amazon EMR是美国亚马逊（Amazon）公司的一个托管集群平台。 Amazon EMR存在安全漏洞，该漏洞源于/tmp/目录中存储的keytab文件可能导致权限提升。

CVSS 8.5 · High EPSS 0.33% · P26
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I. Basic Information for CVE-2025-8904

Vulnerability Information
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Vulnerability Title
Privilege escalation issue in Amazon EMR Secret Agent component
Source: CVE Program / CVE List V5
Vulnerability Description
Amazon EMR Secret Agent creates a keytab file containing Kerberos credentials. This file is stored in the /tmp/ directory. A user with access to this directory and another account can potentially decrypt the keys and escalate to higher privileges. Users are advised to upgrade to Amazon EMR version 7.5 or higher. For Amazon EMR releases between 6.10 and 7.4, we strongly recommend that you run the bootstrap script and RPM files with the fix provided in the location below.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
以可恢复格式存储口令
Source: CVE Program / CVE List V5
Vulnerability Title
Amazon EMR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amazon EMR是美国亚马逊（Amazon）公司的一个托管集群平台。 Amazon EMR存在安全漏洞，该漏洞源于/tmp/目录中存储的keytab文件可能导致权限提升。
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
Amazon EMR 6.10 ~ 7.4 -

II. Public POCs for CVE-2025-8904

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III. Intelligence Information for CVE-2025-8904

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Vendor Advisories for CVE-2025-8904 (1)

IV. Related Vulnerabilities

Same vendor: Amazon
Same weakness: CWE-257

V. Comments for CVE-2025-8904

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