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CVE-2023-26073

CRITICALCVSS 9.8/10EPSS 1.11%

Last modified

CVE-2023-26073 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. A heap-based buffer overflow in the 5G MM message codec can occur due to insufficient parameter validation when decoding the extended emergency number list.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. A heap-based buffer overflow in the 5G MM message codec can occur due to insufficient parameter validation when decoding the extended emergency number list.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
1.11%

61.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SamsungExynos 850 FirmwareAll versions
SamsungExynos 980 FirmwareAll versions
SamsungExynos 1080 FirmwareAll versions
SamsungExynos 1280 FirmwareAll versions
SamsungExynos 2200 FirmwareAll versions
SamsungExynos Modem 5123 FirmwareAll versions
SamsungExynos Modem 5300 FirmwareAll versions
SamsungExynos Auto T5123 FirmwareAll versions
SamsungExynos W920 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-26073?
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. A heap-based buffer overflow in the 5G MM message codec can occur due to insufficient parameter validation when decoding the extended emergency number list.
How severe is CVE-2023-26073?
CVE-2023-26073 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.
How do I fix CVE-2023-26073?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26073?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST