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CVE-2023-36998
Date: January 21, 2025
The 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.
Severity Score
Severity Score
Weakness Type (CWE)
Stack-based Buffer Overflow
CWE-121CVSS v3.1
Base Score: |
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Attack Vector (AV): | ADJACENT_NETWORK |
Attack Complexity (AC): | LOW |
Privileges Required (PR): | LOW |
User Interaction (UI): | NONE |
Scope (S): | CHANGED |
Confidentiality (C): | LOW |
Integrity (I): | HIGH |
Availability (A): | HIGH |