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 needed for exploitation. Patch ID: MOLY00803883; Issue ID: MOLY00803883.

Vulnerability class: Buffer Overflow

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.028 (85.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-20083: held from 0.027 to 0.028.

EPSS over last 30 days · oldest: 0.027 · newest: 0.028 · change: +0.001

Affected products

Weakness classification (CWE)

References

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.