CVE-2023-36998

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Summary

CVECVE-2023-36998
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-01-22 15:15:09 UTC
Updated2026-07-05 01:18:42 UTC
DescriptionThe NextEPC MME <= 1.0.1 (fixed in commit a8492c9c5bc0a66c6999cb5a263545b32a4109df) contains a stack-based buffer overflow vulnerability in the Emergency Number List decoding method. An attacker may send a NAS message containing an oversized Emergency Number List value to the MME to overwrite the stack with arbitrary bytes. An attacker with a cellphone connection to any base station managed by the MME may exploit this vulnerability without having to authenticate with the LTE core.

Risk And Classification

Primary CVSS: v3.1 8.9 HIGH from ADP

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H

EPSS: 0.003550000 probability, percentile 0.275180000 (date 2026-07-06)

Problem Types: CWE-121 | n/a | CWE-121 CWE-121 Stack-based Buffer Overflow

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED8.9HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.9HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
cellularsecurity.org/ransacked [email protected] cellularsecurity.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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