What’s Vulnerable › Vulnerabilities
CVE-2023-26073
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-03-13 · updated 2026-06-17
- Weakness: CWE-787
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.
Affected products
- Samsung Exynos 1080 firmware: all versions
- Samsung Exynos 1280 firmware: all versions
- Samsung Exynos 2200 Firmware: all versions
- Samsung Exynos 850 firmware: all versions
- Samsung Exynos 980 Firmware: all versions
- Samsung Exynos Auto T5123 Firmware: all versions
- Samsung Exynos Modem 5123 Firmware: all versions
- Samsung Exynos Modem 5300 Firmware: all versions
- Samsung Exynos W920 Firmware: all versions
References
- http://packetstormsecurity.com/files/171380/Shannon-Baseband-NrmmMsgCodec-Extended-Emergency-Number-List-Heap-Buffer-Overflow.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2396
- https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html
- https://semiconductor.samsung.com/processor/mobile-processor/
- https://semiconductor.samsung.com/processor/modem/
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/
- http://packetstormsecurity.com/files/171380/Shannon-Baseband-NrmmMsgCodec-Extended-Emergency-Number-List-Heap-Buffer-Overflow.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2396
- https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html
- https://semiconductor.samsung.com/processor/mobile-processor/
- https://semiconductor.samsung.com/processor/modem/
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/
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