CVE-2023-50803

Name: CVE-2023-50803
Creator: NVD / NIST
Published: 2024-06-05T19:15:11.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2023-50803 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An issue was discovered in Samsung Mobile Processor, and Modem Exynos 9820, Exynos 9825, Exynos 980, Exynos 990, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos Modem 5123, Exynos Modem 5300. The baseband software does not properly check replay protection specified by the NAS (Non-Access-Stratum) module. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

An issue was discovered in Samsung Mobile Processor, and Modem Exynos 9820, Exynos 9825, Exynos 980, Exynos 990, Exynos 850, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, Exynos 1330, Exynos Modem 5123, Exynos Modem 5300. The baseband software does not properly check replay protection specified by the NAS (Non-Access-Stratum) module. This can lead to denial of service.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.34%

25.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	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 2200 Firmware	All versions
Samsung	Exynos 1280 Firmware	All versions
Samsung	Exynos 1380 Firmware	All versions
Samsung	Exynos 1330 Firmware	All versions
Samsung	Exynos Modem 5123 Firmware	All versions
Samsung	Exynos Modem 5300 Firmware	All versions

References

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

Timeline

Published: Jun 5, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-50803?

How severe is CVE-2023-50803?

CVE-2023-50803 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2023-50803?

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-2023-50803?

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

Scan your code now

Source: NVD / NIST