CVE-2023-26073
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Exynos 1280, Exynos…
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system. CISA's SSVC rates its exploitation: a proof of concept is public.
Timeline
ID reserved
By mitre
- 22 days later
· 22 days later
Published
- 24 months later
· 24 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| mitreCNA (assigner) | 3.1 | High7.6 | CVSS:3.1/AC:L/AV:N/A:H/C:L/I:L/PR:L/S:U/UI:N |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 34% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.6.
Weakness
Affected products
n/a
- affected n/a
References (7)
- https://semiconductor.samsung.com/processor/modem/ (opens in a new tab)x_transferred
- https://semiconductor.samsung.com/processor/mobile-processor/ (opens in a new tab)x_transferred
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/ (opens in a new tab)x_transferred
- https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html (opens in a new tab)x_transferred
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2396 (opens in a new tab)x_transferred
- http://packetstormsecurity.com/files/171380/Shannon-Baseband-NrmmMsgCodec-Extended-Emergency-Number-List-Heap-Buffer-Overflow.html (opens in a new tab)x_transferred
- https://project-zero.issues.chromium.org/issues/42451535 (opens in a new tab)exploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-26073)Record last updated .