CVE-2023-20702

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.

7.5

CVSS

Severity: High

CVSS 3.1 •

EPSS 2.04% Top 20%

Vendor Advisory mediatek.com

Affected: MediaTek, Inc. MT6835, MT6873, MT6875, MT6879, MT6883, MT6885, MT6886, MT6889, MT6895, MT6980, MT6983, MT6985, MT6990, MT8673, MT8675, MT8791, MT8791T, MT8797, MT8798

References

Link	Tags
https://corp.mediatek.com/product-security-bulletin/November-2023	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-20702?: CVE-2023-20702 has been scored as a high severity vulnerability.
How to fix CVE-2023-20702?: To fix CVE-2023-20702, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-20702 being actively exploited in the wild?: It is possible that CVE-2023-20702 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-20702?: CVE-2023-20702 affects MediaTek, Inc. MT6835, MT6873, MT6875, MT6879, MT6883, MT6885, MT6886, MT6889, MT6895, MT6980, MT6983, MT6985, MT6990, MT8673, MT8675, MT8791, MT8791T, MT8797, MT8798.

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