A TOCTOU race condition in Samsung Mobile Processor Exynos 9820, Exynos 980, Exynos 1080…
Priority LOW 29CWE-367Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A TOCTOU race condition in Samsung Mobile Processor Exynos 9820, Exynos 980, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, and Exynos 1380 can cause unexpected termination of a system.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00147 3rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:samsung:exynos_9820_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Samsung |
| cpe:2.3:h:samsung:exynos_9820:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Samsung |
| cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Samsung |
| cpe:2.3:h:samsung:exynos_1080:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:exynos_2100_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Samsung |
| cpe:2.3:h:samsung:exynos_2100:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Samsung |
| cpe:2.3:h:samsung:exynos_2200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
- cpe:2.3:o:samsung:exynos_9820_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
- cpe:2.3:h:samsung:exynos_9820:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
- cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
- cpe:2.3:h:samsung:exynos_1080:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:exynos_2100_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
- cpe:2.3:h:samsung:exynos_2100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
- cpe:2.3:h:samsung:exynos_2200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Samsung |
| cpe:2.3:h:samsung:exynos_1280:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
| cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Samsung |
| cpe:2.3:h:samsung:exynos_1380:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Samsung |
- cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
- cpe:2.3:h:samsung:exynos_1280:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
- cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Samsung
- cpe:2.3:h:samsung:exynos_1380:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Samsung
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-42483
- 2026-10-03 Alias added: GHSA-4x27-7f5c-rg8p
References
More Samsung Exynos 1080 Firmware vulnerabilities
- TI-2023-11308 An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos… CVSS 3.1CRITICAL 9.8
- TI-2023-11307 An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos… CVSS 3.1CRITICAL 9.8
- TI-2023-11306 An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos… CVSS 3.1CRITICAL 9.8
- TI-2023-11305 An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos… CVSS 3.1CRITICAL 9.8
- TI-2023-11645 An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos… CVSS 3.1CRITICAL 9.8
- TI-2023-11643 An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-42483 · CVE Program
- CVE-2023-42483 · NVD
- FIRST EPSS
- GHSA-4x27-7f5c-rg8p · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences