How severe is CVE-2024-46921?

CVE-2024-46921 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-46921 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-46921?

CVE-2024-46921 primarily affects Samsung Exynos 1080 Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-46921?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-46921 have an EU (EUVD) identifier?

Yes. CVE-2024-46921 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-42206.

When was CVE-2024-46921 published?

CVE-2024-46921 was published on 2025-01-13 and last updated on 2026-06-17.

CVE-2024-46921

CVE-2024-46921 is a medium-severity vulnerability in Samsung Exynos 1080 Firmware with a CVSS 3.x base score of 6.5. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-42206
Weakness: CWE-770
Affected product: Samsung Exynos 1080 Firmware
Published: 2025-01-13
Last modified: 2026-06-17

Description

An issue was discovered in Samsung Mobile Processor and Modem Exynos 9820, 9825, 980, 990, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W1000, Modem 5123, Modem 5300, Modem 5400. UE does not limit the number of attempts for the RRC Setup procedure in the 5G SA, leading to a denial of service (battery-drain attack).

Frequently asked questions

What is CVE-2024-46921?: An issue was discovered in Samsung Mobile Processor and Modem Exynos 9820, 9825, 980, 990, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 9110, W1000, Modem 5123, Modem 5300, Modem 5400. UE does not limit the number of attempts for the RRC Setup procedure in the 5G SA, leading to a denial of service (battery-drain attack).
How severe is CVE-2024-46921?: CVE-2024-46921 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-46921 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-46921?: CVE-2024-46921 primarily affects Samsung Exynos 1080 Firmware. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-46921?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-46921 have an EU (EUVD) identifier?: Yes. CVE-2024-46921 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-42206.
When was CVE-2024-46921 published?: CVE-2024-46921 was published on 2025-01-13 and last updated on 2026-06-17.

References

Affected products (17)

cpe:2.3:o:samsung:exynos_1080_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_2100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_2400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_9820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_9825_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_990_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_modem_5123_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_modem_5300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_modem_5400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:samsung:exynos_w1000_firmware:-:*:*:*:*:*:*:*

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