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CVE-2016-8398

Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS...

9.8 Critical

Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS security context exists in the UE. Product: Android. Versions: Kernel 3.18. Android ID: A-31548486. References: QC-CR#877705.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.58%Up 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.8

Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS security context exists in the UE. Product: Android. Versions: Kernel 3.18. Android ID: A-31548486. References: QC-CR#877705.

Record
CVE-2016-8398
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-254
Updated
2026-11-02
CVE List No score

Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS security context exists in the UE. Product: Android. Versions: Kernel 3.18. Android ID: A-31548486. References: QC-CR#877705.

Record
CVE-2016-8398
Updated
2026-11-02
EUVDEUVD-2016-9246 No score

Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS security context exists in the UE. Product: Android. Versions: Kernel 3.18. Android ID: A-31548486. References: QC-CR#877705.

Record
EUVD-2016-9246
Updated
2026-11-03
GitHub AdvisoriesGHSA-wh6j-frq8-76pq 9.8

Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS...

Unauthenticated messages processed by the UE. Certain NAS messages are processed when no EPS security context exists in the UE. Product: Android. Versions: Kernel 3.18. Android ID: A-31548486. References: QC-CR#877705.

Record
GHSA-wh6j-frq8-76pq
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, productsEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-8398 is a critical vulnerability (CVSS 9.8) in Google Android, published January 12, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.58%, the 75th percentile. No source names a fixed version.

References

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