CVE-2024-20039

In modem protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01240012; Issue ID: MSV-1215.

Published: 2024-03-31 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2024-20039 is rated Moderate Risk (52.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.88%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-20039

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.88% 0.88% -2.00%
2 2026-02-12 5.44% 2.88% -2.55%
3 2025-11-21 5.44%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-20039

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-20039

Affected software / configurations for CVE-2024-20039

Vendor Product Version Raw CPE
mediatek lr12a cpe:2.3:o:mediatek:lr12a:-:*:*:*:*:*:*:*
mediatek lr13 cpe:2.3:o:mediatek:lr13:-:*:*:*:*:*:*:*
mediatek nr15 cpe:2.3:o:mediatek:nr15:-:*:*:*:*:*:*:*
mediatek nr16 cpe:2.3:o:mediatek:nr16:-:*:*:*:*:*:*:*
mediatek nr17 cpe:2.3:o:mediatek:nr17:-:*:*:*:*:*:*:*

References for CVE-2024-20039

cvelogic Threat Intelligence