SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-20702

This could lead to remote denial of service, if UE received invalid 1-byte rlc sdu, with no additional execution privileges needed.

HIGH 7.5EPSS 1.08%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.08% probability · 63th percentile
CISA KEV
Not listed
Affected
mediatek/nr15 · mediatek/nr16 · mediatek/nr17
Source
security@mediatek.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.