SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-21744

In Modem 2G RR, there is a possible out of bounds write due to a missing bounds check.

CRITICAL 9.8EPSS 3.34%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In Modem 2G RR, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution when decoding GPRS Packet Neighbour Cell Data (PNCD) improper neighbouring cell size with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00810064; Issue ID: ALPS06641626.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.34% probability · 88th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
mediatek/lr11 · mediatek/lr12 · mediatek/lr12a · mediatek/lr13 · mediatek/lr9 · mediatek/nr15 · mediatek/nr16
Source
security@mediatek.com

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