CVE-2022-34393
HIGHCVSS 7.5/10EPSS 0.21%
Last modified
CVE-2022-34393 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. . EPSS estimates a 0.21% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Dell | G5 Se 5505 Firmware | < 1.12.1 |
| Dell | Inspiron 27 7775 Firmware | < 2.17.0 |
| Dell | Inspiron 3180 Firmware | < 1.5.0 |
| Dell | Inspiron 3185 Firmware | < 1.5.0 |
| Dell | Inspiron 3195 2-In-1 Firmware | < 1.5.0 |
| Dell | Inspiron 3275 Firmware | < 1.9.1 |
| Dell | Inspiron 3475 Firmware | < 1.9.1 |
| Dell | Inspiron 3505 Firmware | < 1.8.0 |
| Dell | Inspiron 3515 Firmware | < 1.7.0 |
| Dell | Inspiron 3585 Firmware | < 1.9.0 |
| Dell | Inspiron 3595 Firmware | < 1.4.0 |
| Dell | Inspiron 3785 Firmware | < 1.9.0 |
| Dell | Inspiron 5405 Firmware | < 1.8.1 |
| Dell | Inspiron 5415 Firmware | < 1.12.0 |
| Dell | Inspiron 5485 Firmware | < 2.10.1 |
| Dell | Inspiron 5485 2-In-1 Firmware | < 2.10.1 |
| Dell | Inspiron 5505 Firmware | < 1.8.1 |
| Dell | Inspiron 5515 Firmware | < 1.12.0 |
| Dell | Inspiron 5585 Firmware | < 2.10.1 |
| Dell | Inspiron 7375 Firmware | < 1.9.0 |
| Dell | Inspiron 7405 2-In-1 Firmware | < 1.9.1 |
| Dell | Inspiron 7415 Firmware | < 1.12.0 |
| Dell | Vostro 3405 Firmware | < 1.8.0 |
| Dell | Vostro 3515 Firmware | < 1.7.0 |
| Dell | Vostro 5415 Firmware | < 1.12.0 |
| Dell | Vostro 5515 Firmware | < 1.12.0 |
References
- https://www.dell.com/support/kbdoc/000204686Vendor Advisory
- https://www.dell.com/support/kbdoc/000204686Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-34393?
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-2022-34393?
CVE-2022-34393 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2022-34393?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2022-34393?
Run a free Strix scan to check your systems for this vulnerability.
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