CVE-2023-26076 json
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem…
published 2023-03-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-29950
- cvss
- 7.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. An intra-object overflow in the 5G SM message codec can occur due to insufficient parameter validation when decoding reserved options.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
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-120 Buffer Copy without Checking Size of Input
References
-
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
- packetstormsecurity.com /files/171400/Shannon-Baseband-NrSmPcoCodec-Intra-Object-Overflow.html
Sources
- CVE List CVE-2023-26076
- NVD CVE-2023-26076
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.