What is CVE-2024-20077?

CVE-2024-20077 is a high-severity vulnerability in Mediatek Lr12a, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2024-07-01.

How severe is CVE-2024-20077?

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

Is CVE-2024-20077 known to be exploited?

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

Buffer overflow in Mediatek Lr12a

CVE-2024-20077

In Modem, there is a possible system crash due to incorrect error handling. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01297807…

Vulnerability class: Buffer Overflow

EPSS: 0.007 (50.1th 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

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

security@mediatek.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-20077?: CVE-2024-20077 is a high-severity vulnerability in Mediatek Lr12a, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2024-07-01.
How severe is CVE-2024-20077?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-20077 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.