What is CVE-2022-21744?

CVE-2022-21744 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-2022-21744?

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

Is CVE-2022-21744 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Mediatek Lr11

CVE-2022-21744

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 executi…

Vulnerability class: Buffer Overflow

EPSS: 0.026 (83.2th 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

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

security@mediatek.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-21744?: CVE-2022-21744 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-2022-21744?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-21744 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.