CVE-2022-27538
HIGHCVSS 7/10EPSS 0.14%
Last modified
CVE-2022-27538 is a high-severity vulnerability rated 7/10 on the CVSS scale. A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been identified in the BIOS for certain HP PC products which may allow arbitrary code execution, denial of service, and information disclosure. HP is releasing BIOS updates to mitigate the potential vulnerability.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been identified in the BIOS for certain HP PC products which may allow arbitrary code execution, denial of service, and information disclosure. HP is releasing BIOS updates to mitigate the potential vulnerability.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hp | Dragonfly Folio G3 2-In-1 Firmware | < 01.03.01 |
| Hp | Elite Dragonfly Firmware | < 01.22.00 |
| Hp | Elite Dragonfly G3 Firmware | < 01.04.00 |
| Hp | Elite Dragonfly G2 Firmware | < 01.11.00 |
| Hp | Elite Dragonfly Max Firmware | < 01.11.00 |
| Hp | Elite X2 1013 G3 Firmware | < 01.22.00 |
| Hp | Elite X2 G4 Firmware | < 01.22.00 |
| Hp | Elite X2 G8 Tablet Firmware | < 01.11.00 |
| Hp | Elite X360 1040 G9 2-In-1 Firmware | < 01.04.02 |
| Hp | Elitebook 1040 G9 Firmware | < 01.04.02 |
| Hp | Elitebook 1050 G1 Firmware | < 01.22.00 |
| Hp | Elitebook 630 G9 Firmware | < 01.05.00 |
| Hp | Elitebook 640 G9 Firmware | < 01.05.00 |
| Hp | Elitebook 645 G9 Firmware | < 01.09.00 |
| Hp | Elitebook 650 G9 Firmware | < 01.05.00 |
| Hp | Elitebook 655 G9 Firmware | < 01.09.00 |
| Hp | Elitebook 735 G5 Firmware | < 01.22.00 |
| Hp | Elitebook 735 G6 Firmware | < 01.22.00 |
| Hp | Elitebook 745 G5 Firmware | < 01.22.00 |
| Hp | Elitebook 745 G6 Firmware | < 01.22.00 |
| Hp | Elitebook 755 G5 Firmware | < 01.22.00 |
| Hp | Elitebook 830 G9 Firmware | < 01.04.02 |
| Hp | Elitebook 830 G5 Firmware | < 01.22.00 |
| Hp | Elitebook 830 G6 Firmware | < 01.22.00 |
| Hp | Elitebook 830 G7 Firmware | < 01.11.00 |
| Hp | Elitebook 830 G8 Firmware | < 01.11.00 |
| Hp | Elitebook 835 G9 Firmware | < 01.03.01 |
| Hp | Elitebook 835 G7 Firmware | < 01.11.00 |
| Hp | Elitebook 835 G8 Firmware | < 01.11.00 |
| Hp | Elitebook 836 G5 Firmware | < 01.22.00 |
| Hp | Elitebook 836 G6 Firmware | < 01.22.00 |
| Hp | Elitebook 840 G9 Firmware | < 01.04.02 |
| Hp | Elitebook 840 Aero G8 Firmware | < 01.11.00 |
| Hp | Elitebook 840 G5 Firmware | < 01.22.00 |
| Hp | Elitebook 840 G5 Healthcare Edition Firmware | < 01.22.00 |
| Hp | Elitebook 840 G6 Firmware | < 01.22.00 |
| Hp | Elitebook 840 G6 Healthcare Edition Firmware | < 01.22.00 |
| Hp | Elitebook 840 G7 Firmware | < 01.11.00 |
| Hp | Elitebook 840 G8 Firmware | < 01.11.00 |
| Hp | Elitebook 840r G4 Firmware | < 01.22.00 |
| Hp | Elitebook 845 G9 Firmware | < 01.03.01 |
| Hp | Elitebook 845 G7 Firmware | < 01.11.00 |
| Hp | Elitebook 845 G8 Firmware | < 01.11.00 |
| Hp | Elitebook 846 G5 Firmware | < 01.22.00 |
| Hp | Elitebook 850 G5 Firmware | < 01.22.00 |
| Hp | Elitebook 850 G6 Firmware | < 01.22.00 |
| Hp | Elitebook 850 G7 Firmware | < 01.11.00 |
| Hp | Elitebook 850 G8 Firmware | < 01.11.00 |
| Hp | Elitebook 855 G7 Firmware | < 01.11.00 |
| Hp | Elitebook 855 G8 Firmware | < 01.11.00 |
Showing 50 of 317 affected configurations. See NVD for the full list.
References
- https://support.hp.com/us-en/document/ish_7387020-7387107-16/hpsbhf03827Patch, Vendor Advisory
- https://support.hp.com/us-en/document/ish_7387020-7387107-16/hpsbhf03827Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-27538?
A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been identified in the BIOS for certain HP PC products which may allow arbitrary code execution, denial of service, and information disclosure. HP is releasing BIOS updates to mitigate the potential vulnerability.
How severe is CVE-2022-27538?
CVE-2022-27538 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.
How do I fix CVE-2022-27538?
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-2022-27538?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST