No exploitation reported

CVE-2023-20702

No exploitation reported by the sources we read.

Published2023-11-06

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2023-11-0604:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-20702?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-20702?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

CISA-ADP

Mediatek mt6835

Branch	Affected	Fixed in	Source
—	all versions	no fix published	CISA-ADP

Mediatek mt6873

Branch	Affected	Fixed in	Source
—	all versions	no fix published	CISA-ADP

Mediatek mt6875

Branch	Affected	Fixed in	Source
—	all versions	no fix published	CISA-ADP

19 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

corp.mediatek.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-09-05
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.17.52024-09-05
NVDCVSS 3.17.5read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2023-11-06
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-20702?

Is CVE-2023-20702 actively exploited?

Active exploitation of CVE-2023-20702 has not been confirmed. Its EPSS score was 1.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-20702?

CVE-2023-20702 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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