Vulnerability Description
Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Dell | Chengming 3990 Firmware | < 1.3.1 |
| Dell | Chengming 3990 | - |
| Dell | Chengming 3991 Firmware | < 1.3.1 |
| Dell | Chengming 3991 | - |
| Dell | G3 15 3500 Firmware | < 1.7.1 |
| Dell | G3 15 3500 | - |
| Dell | G3 15 3590 Firmware | < 1.12.0 |
| Dell | G3 15 3590 | - |
| Dell | G3 15 5500 Firmware | < 1.7.1 |
| Dell | G3 15 5500 | - |
| Dell | Inspiron 3493 Firmware | < 1.12.0 |
| Dell | Inspiron 3493 | - |
| Dell | Inspiron 3501 Firmware | < 1.1.0 |
| Dell | Inspiron 3501 | - |
| Dell | Inspiron 3593 Firmware | < 1.12.0 |
| Dell | Inspiron 3593 | - |
| Dell | Inspiron 3793 Firmware | < 1.12.0 |
| Dell | Inspiron 3793 | - |
| Dell | Inspiron 3880 Firmware | < 1.3.1 |
| Dell | Inspiron 3880 | - |
Related Weaknesses (CWE)
References
- https://www.dell.com/support/kbdoc/000191495/PatchVendor Advisory
- https://www.dell.com/support/kbdoc/000191495/PatchVendor Advisory
FAQ
What is CVE-2021-36283?
CVE-2021-36283 is a vulnerability with a CVSS score of 7.5 (HIGH). Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM...
How severe is CVE-2021-36283?
CVE-2021-36283 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-36283?
Check the references section above for vendor advisories and patch information. Affected products include: Dell Chengming 3990 Firmware, Dell Chengming 3990, Dell Chengming 3991 Firmware, Dell Chengming 3991, Dell G3 15 3500 Firmware.