CVE-2023-50803
An issue was discovered in Samsung Mobile Processor, Automotive Processor, and Modem Exynos 9820,...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2023-50803- CVSS 3.1
- 3.7 Low
CVSS:3.1/AC:H/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N - Updated
- 2026-11-02
EUVDEUVD-2023-55536
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.
- Record
EUVD-2023-55536- CVSS 3.1
- 3.7 Low
CVSS:3.1/AC:H/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-phfr-2xpr-3pxm
An issue was discovered in Samsung Mobile Processor, Automotive Processor, and Modem Exynos 9820,...
An issue was discovered in Samsung Mobile Processor, Automotive Processor, and Modem Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 2200, 1280, 1380, 1330, Modem 5123, Modem 5300, and Auto T5123. The baseband software does not properly check replay protection specified by the NAS (Non-Access-Stratum) module. This can lead to denial of service.
- Record
GHSA-phfr-2xpr-3pxm- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-50803- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L - CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - Updated
- 2026-11-02
OSVPUB-A-308437315 No score
there is a possible denial of service due to Missing replay protection. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
- Record
PUB-A-308437315- Updated
- 2026-11-05
Affected products
- samsung exynos 1080 firmware
- samsung exynos 1280 firmware
- samsung exynos 1330 firmware
- samsung exynos 1380 firmware
- samsung exynos 2100 firmware
- samsung exynos 2200 firmware
- samsung exynos 850 firmware
- samsung exynos 980 firmware
- samsung exynos 9820 firmware
- samsung exynos 9825 firmware
- samsung exynos 990 firmware
- samsung exynos modem 5123 firmware
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Affected packages
| Package | Affected | Fixed |
|---|---|---|
:unknown:Android |
Pixel-family specific:0 up to Pixel-family specific:2024-06-05, plus listed versions Pixel-family specific |
Pixel-family specific:2024-06-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-50803 is a low vulnerability (CVSS 3.7) in Samsung Exynos 1080 Firmware, published June 1, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. Fixed in :unknown: Pixel-family specific:2024-06-05.