CVE-2023-20702

HIGH

MediaTek NR15 NR16 NR17 - Remote Denial of Service via Invalid RLC SDU

Title source: llm

Description

In 5G NRLC, there is a possible invalid memory access due to lack of error handling. This could lead to remote denial of service, if UE received invalid 1-byte rlc sdu, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00921261; Issue ID: MOLY01128895.

References (1)

Core 1

Core References

Vendor Advisory

https://corp.mediatek.com/product-security-bulletin/November-2023

Scores

CVSS v3 7.5

EPSS 0.0088

EPSS Percentile 75.6%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

Status published

Products (3)

mediatek/nr15

mediatek/nr16

mediatek/nr17

Published Nov 06, 2023

Tracked Since Feb 18, 2026