How severe is CVE-2025-8904?

CVE-2025-8904 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-8904 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-8904?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-8904 have an EU (EUVD) identifier?

Yes. CVE-2025-8904 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24614.

When was CVE-2025-8904 published?

CVE-2025-8904 was published on 2025-08-13 and last updated on 2026-06-17.

CVE-2025-8904

CVE-2025-8904 is a high-severity vulnerability with a CVSS 3.x base score of 8.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-257.

Key facts

Severity: High (CVSS 3.x base score 8.5)
CVSS v4: 9.0
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-24614
Weakness: CWE-257
Published: 2025-08-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-8904?: CVE-2025-8904 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-8904 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-8904?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-8904 have an EU (EUVD) identifier?: Yes. CVE-2025-8904 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-24614.
When was CVE-2025-8904 published?: CVE-2025-8904 was published on 2025-08-13 and last updated on 2026-06-17.

References

Other CWE-257 vulnerabilities

CVE-2025-8095 — Critical (CVSS 9.1): The OECH1 prefix encoding is intended to obfuscate values across the OpenEdge platform. It has been identified as…
CVE-2025-34180 — High (CVSS 8.4): NetSupport Manager < 14.12.0001 relies on a shared Gateway Key for authentication between Manager/Control, Client,…
CVE-2025-6996 — High (CVSS 8.4): Improper use of encryption in the agent of Ivanti Endpoint Manager before version 2024 SU3 and 2022 SU8 Security Update…
CVE-2025-6995 — High (CVSS 8.4): Improper use of encryption in the agent of Ivanti Endpoint Manager before version 2024 SU3 and 2022 SU8 Security Update…
CVE-2016-15058 — High (CVSS 8.1): Hirschmann HiLCOS Classic Platform switches Classic L2E, L2P, L3E, L3P versions prior to 09.0.06 and Classic L2B prior…
CVE-2023-21726 — High (CVSS 7.8): Windows Credential Manager User Interface Elevation of Privilege Vulnerability

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