cve.bz

CVE-2023-36998

8.9 highEPSS 0.4%

High (8.9). EPSS 0.4% chance of exploitation in the next 30 days.

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

CVSS 3.1

8.9 high
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H
EPSS
0.4% chance of exploitation in the next 30 days; higher than 31% of CVEs (scores of 2026-10-31)
CWE
CWE-121
Published
Modified
Record from
the NVD, synced

References

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