Home/CVE/Amazon EMR Secret Agent creates a keytab file containing Kerberos credentials. This file is stored in the /tmp/ director
CVE

CVE-2025-8904

Amazon EMR Secret Agent creates a keytab file containing Kerberos credentials. This file is stored in the /tmp/ director

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.

HIGH · CVSS 8.5 EPSS 0.00064
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-257Storing Passwords in a Recoverable Format
▣

Scoring & Timeline

8.5
HIGH · CVSS v3.1 · ff89ba41-3aa1-4d27-914a-91399e9639e5
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Aug 2025 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
aws-securityaws-2025-017
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://aws.amazon.com/security/security-bulletins/AWS-2025-017/
https://docs.aws.amazon.com/emr/latest/ReleaseGuide/emr-750-release.html
https://github.com/advisories/GHSA-hf8h-76fm-735v
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