How severe is CVE-2024-39343?

CVE-2024-39343 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.

Is CVE-2024-39343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-39343?

CVE-2024-39343 primarily affects Samsung Exynos 2100 Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-39343?

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-2024-39343 have an EU (EUVD) identifier?

Yes. CVE-2024-39343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38288.

When was CVE-2024-39343 published?

CVE-2024-39343 was published on 2024-12-02 and last updated on 2026-06-17.

CVE-2024-39343

CVE-2024-39343 is a high-severity vulnerability in Samsung Exynos 2100 Firmware with a CVSS 3.x base score of 7.0. 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-1284.

Key facts

Severity: High (CVSS 3.x base score 7.0)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38288
Weakness: CWE-1284
Affected product: Samsung Exynos 2100 Firmware
Published: 2024-12-02
Last modified: 2026-06-17

Description

An issue was discovered in Samsung Mobile Processor and Wearable Processor Exynos 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, Modem 5123, and Modem 5300. The baseband software does not properly check the length specified by the MM (Mobility Management) module, which can lead to Denial of Service.

Frequently asked questions

What is CVE-2024-39343?: An issue was discovered in Samsung Mobile Processor and Wearable Processor Exynos 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, Modem 5123, and Modem 5300. The baseband software does not properly check the length specified by the MM (Mobility Management) module, which can lead to Denial of Service.
How severe is CVE-2024-39343?: CVE-2024-39343 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability high.
Is CVE-2024-39343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-39343?: CVE-2024-39343 primarily affects Samsung Exynos 2100 Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-39343?: 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-2024-39343 have an EU (EUVD) identifier?: Yes. CVE-2024-39343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38288.
When was CVE-2024-39343 published?: CVE-2024-39343 was published on 2024-12-02 and last updated on 2026-06-17.

References

https://semiconductor.samsung.com/support/quality-support/product-security-updates/

Affected products (9)

cpe:2.3:o:samsung:exynos_2100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1330_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_1480_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_2400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Samsung Exynos 2100 Firmware

CVE-2025-54328 — Critical (CVSS 10.0): An issue was discovered in SMS in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080,…
CVE-2025-62818 — Critical (CVSS 9.8): An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100,…
CVE-2025-58349 — Critical (CVSS 9.1): An issue was discovered in L2 in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080,…
CVE-2025-27807 — Critical (CVSS 9.1): An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100,…
CVE-2025-47202 — Critical (CVSS 9.1): In RRC in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100, 1280, 2200, 1330,…
CVE-2025-27891 — Critical (CVSS 9.1): An issue was discovered in Samsung Mobile Processor, Wearable Processor, and Modem Exynos 980, 990, 850, 1080, 2100,…

All CVEs affecting Samsung Exynos 2100 Firmware →

Other CWE-1284 (Improper Validation of Specified Quantity in Input) vulnerabilities

CVE-2026-49777 — Critical (CVSS 10.0): Improper Validation of Specified Quantity in Input vulnerability in ShapedPlugin, LLC Product Slider Pro for…
CVE-2024-8887 — Critical (CVSS 10.0): CIRCUTOR Q-SMT in its firmware version 1.0.4, could be affected by a denial of service (DoS) attack if an attacker with…
CVE-2022-20699 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
CVE-2021-21960 — Critical (CVSS 10.0): A stack-based buffer overflow vulnerability exists in both the LLMNR functionality of Sealevel Systems, Inc. SeaConnect…
CVE-2021-21951 — Critical (CVSS 10.0): An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the…
CVE-2021-21950 — Critical (CVSS 10.0): An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the…

Browse all CWE-1284 (Improper Validation of Specified Quantity in Input) vulnerabilities →