Vulnerability in Amazon Emr
CVE-2025-8904
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- Amazon Emr — versions 6.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (release-notes, patch)
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (vendor-advisory)
- ff89ba41-3aa1-4d27-914a-91399e9639e5 (third-party-advisory)
Frequently asked questions
- What is CVE-2025-8904?
- CVE-2025-8904 is a high-severity vulnerability in Amazon Emr, classified under Storing Passwords in a Recoverable Format. CVSS score: 8.5/10. Published 2025-08-13.
- How severe is CVE-2025-8904?
- High severity. CVSS v3 base score is 8.5 out of 10.
- Is CVE-2025-8904 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.