What is CVE-2021-32486?

CVE-2021-32486 is a high-severity vulnerability in Mediatek Modem, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2021-09-09.

How severe is CVE-2021-32486?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Mediatek Modem

CVE-2021-32486

In modem 2G RRM, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY005…

Vulnerability class: Buffer Overflow

EPSS: 0.023 (80.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mediatek Modem — versions lr12a, lr13
Mediatek Mt6739
Mediatek Mt6761
Mediatek Mt6762
Mediatek Mt6762d
Mediatek Mt6762m
Mediatek Mt6763
Mediatek Mt6765
Mediatek Mt6765t
Mediatek Mt6767

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-32486?: CVE-2021-32486 is a high-severity vulnerability in Mediatek Modem, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2021-09-09.
How severe is CVE-2021-32486?: High severity. CVSS v3 base score is 7.5 out of 10.