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 execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00810064; Issue ID: ALPS06641626.

Vulnerability class: Buffer Overflow

EPSS: 0.031 (86.5th 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.