Improper access control in UEFI firmware for some Intel Processors
Priority LOW 39CWE-284Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
Improper access control in UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00145 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 |
|---|---|---|---|---|---|
| — | UEFI firmware for some Intel(R) Processors | See references | — | No fix listed | CNA |
- UEFI firmware for some Intel(R) Processors Vendor— Affected See references Fixed in — No fix listed CNA
CPE names CISA-ADP · 45
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:intel:atom_c2308_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2316_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2338_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2350_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2358_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2508_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2516_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2518_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2530_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2538_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
- cpe:2.3:o:intel:atom_c2308_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2316_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2338_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2350_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2358_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2508_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2516_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2518_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2530_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2538_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
Show 35 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:intel:atom_c2550_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2558_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2718_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2730_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2738_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2750_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c2758_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3000_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3308_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3336_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3338_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3338r_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3436l_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3508_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3538_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3558_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3558rc_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3558r_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3708_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3750_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3758_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3758r_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3808_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3830_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3850_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3858_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3950_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3955_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c3958_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c5115_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c5125_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c5310_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c5315_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c5320_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
| cpe:2.3:o:intel:atom_c5325_firmware:-:*:*:*:*:*:*:* | not specified by CISA-ADP | — | Intel |
- cpe:2.3:o:intel:atom_c2550_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2558_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2718_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2730_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2738_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2750_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c2758_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3000_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3308_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3336_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3338_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3338r_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3436l_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3508_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3538_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3558_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3558rc_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3558r_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3708_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3750_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3758_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3758r_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3808_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3830_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3850_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3858_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3950_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3955_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c3958_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c5115_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c5125_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c5310_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c5315_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c5320_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
- cpe:2.3:o:intel:atom_c5325_firmware:-:*:*:*:*:*:*:* Versions not specified by CISA-ADP — ·Intel
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-43626
- 2026-10-03 Alias added: GHSA-xp7v-r3c8-pp3w
References
Sources
- CVE-2023-43626 · CVE Program
- CVE-2023-43626 · NVD
- FIRST EPSS
- GHSA-xp7v-r3c8-pp3w · 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