CVE-2023-26073 json
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Exynos 1280, Exynos 2…
published 2023-03-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-29947
- cvss
- 7.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- project-zero.issues.chromium.org https://project-zero.issues.chromium.org/issues/42451535 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.6 | CVSS:3.1/AC:L/AV:N/A:H/C:L/I:L/PR:L/S:U/UI:N |
| CNA | 3.1 | 7.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
project-zero.issues.chromium.org
/issues/42451535
exploit
-
semiconductor.samsung.com
/support/quality-support/product-security-updates/
vendor-advisory
-
semiconductor.samsung.com
/processor/modem/
product
-
semiconductor.samsung.com
/processor/mobile-processor/
product
- googleprojectzero.blogspot.com /2023/03/multiple-internet-to-baseband-remote-rce.html
- bugs.chromium.org /p/project-zero/issues/detail?id=2396
- packetstormsecurity.com /files/171380/Shannon-Baseband-NrmmMsgCodec-Extended-Emergency-Number-List-Heap-Buffer-Overflow.html
Sources
- CVE List CVE-2023-26073
- NVD CVE-2023-26073
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.