CVE-2023-20702

Name: CVE-2023-20702
Creator: NVD / NIST
Published: 2023-11-06T04:15:07.653+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2023-20702 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.08%

60.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mediatek	Nr15	All versions
Mediatek	Nr16	All versions
Mediatek	Nr17	All versions

References

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

Timeline

Published: Nov 6, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-20702?

How severe is CVE-2023-20702?

CVE-2023-20702 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2023-20702?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-20702?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST