How severe is CVE-2024-20077?

CVE-2024-20077 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-20077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-20077?

CVE-2024-20077 affects Mediatek Lr12a. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-20077?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-20077 have an EU (EUVD) identifier?

Yes. CVE-2024-20077 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17792.

When was CVE-2024-20077 published?

CVE-2024-20077 was published on 2024-07-01 and last updated on 2026-06-17.

CVE-2024-20077

CVE-2024-20077 is a high-severity vulnerability in Mediatek Lr12a with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-17792
Weakness: CWE-119
Affected product: Mediatek Lr12a
Published: 2024-07-01
Last modified: 2026-06-17

Description

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; Issue ID: MSV-1482.

Frequently asked questions

What is 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; Issue ID: MSV-1482.
How severe is CVE-2024-20077?: CVE-2024-20077 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-20077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-20077?: CVE-2024-20077 affects Mediatek Lr12a. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-20077?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-20077 have an EU (EUVD) identifier?: Yes. CVE-2024-20077 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-17792.
When was CVE-2024-20077 published?: CVE-2024-20077 was published on 2024-07-01 and last updated on 2026-06-17.

References

https://corp.mediatek.com/product-security-bulletin/July-2024

Affected products (1)

cpe:2.3:o:mediatek:lr12a:-:*:*:*:*:*:*:*

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