What is CVE-2022-20083?

CVE-2022-20083 is a critical-severity vulnerability in Mediatek Lr11, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-07-06.

How severe is CVE-2022-20083?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Mediatek Lr11

CVE-2022-20083

In Modem 2G/3G CC, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution when decoding combined FACILITY with no additional execution privileges needed. User interaction is not need…

Vulnerability class: Buffer Overflow

EPSS: 0.022 (80.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mediatek Lr11
Mediatek Lr12
Mediatek Lr12a
Mediatek Lr13
Mediatek Lr9
Mediatek Mt2731
Mediatek Mt2735
Mediatek Mt6297
Mediatek Mt6725
Mediatek Mt6735

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

security@mediatek.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20083?: CVE-2022-20083 is a critical-severity vulnerability in Mediatek Lr11, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-07-06.
How severe is CVE-2022-20083?: Critical severity. CVSS v3 base score is 9.8 out of 10.