What’s Vulnerable › Vulnerabilities

CVE-2023-50803

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-06-05 · updated 2026-06-17

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.

Affected products

• Samsung Exynos 1080 firmware: all versions
• Samsung Exynos 1280 firmware: all versions
• Samsung Exynos 1330 firmware: all versions
• Samsung Exynos 1380 Firmware: all versions
• Samsung Exynos 2100 Firmware: all versions
• Samsung Exynos 2200 Firmware: all versions
• Samsung Exynos 850 firmware: all versions
• Samsung Exynos 980 Firmware: all versions
• Samsung Exynos 9820 Firmware: all versions
• Samsung Exynos 9825 Firmware: all versions
• Samsung Exynos 990 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/
• https://semiconductor.samsung.com/support/quality-support/product-security-updates/

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