What is CVE-2023-20702?

CVE-2023-20702 is a high-severity vulnerability in Mediatek Mt6835. CVSS score: 7.5/10. Published 2023-11-06.

How severe is CVE-2023-20702?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-20702 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Mediatek Mt6835

CVE-2023-20702

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.

EPSS: 0.011 (61.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Public proof-of-concept exploits

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-20702?: CVE-2023-20702 is a high-severity vulnerability in Mediatek Mt6835. CVSS score: 7.5/10. Published 2023-11-06.
How severe is CVE-2023-20702?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-20702 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.