Cyber Resilience

CVE-2024-39890

High

Published: 02 December 2024

Published
02 December 2024
Modified
01 July 2025
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0084 75.1th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-39890 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Samsung Exynos Modem 5123 Firmware. Its CVSS base score is 8.1 (High).

Operationally, ranked in the top 24.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W920, W930, W1000, Modem 5123, Modem 5300. The baseband software does not properly…

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check the length specified by the CC (Call Control). This can lead to an Out-of-Bounds write.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

samsung
exynos modem 5123 firmware
all versions
samsung
exynos modem 5300 firmware
all versions
samsung
exynos 9820 firmware
all versions
samsung
exynos 9825 firmware
all versions
samsung
exynos 980 firmware
all versions
samsung
exynos 990 firmware
all versions
samsung
exynos 850 firmware
all versions
samsung
exynos 1080 firmware
all versions
samsung
exynos 2100 firmware
all versions
samsung
exynos 1280 firmware
all versions
+9 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References