CVE-2022-36338
Last modified
CVE-2022-36338 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
Description
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. An SMM callout vulnerability in the SMM driver FwBlockServiceSmm, creating SMM, leads to arbitrary code execution. An attacker can replace the pointer to the UEFI boot service GetVariable with a pointer to malware, and then generate a software SMI.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Insyde | Insydeh2o | >= 5.0, <= 5.5 |
References
- https://binarly.io/advisories/BRLY-2022-017/index.htmlExploit, Third Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2022029Vendor Advisory
- https://binarly.io/advisories/BRLY-2022-017/index.htmlExploit, Third Party Advisory
- https://www.insyde.com/security-pledgeVendor Advisory
- https://www.insyde.com/security-pledge/SA-2022029Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-36338?
How severe is CVE-2022-36338?
How do I fix CVE-2022-36338?
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.
Related CVEs from 2022
- CVE-2022-36329An improper privilege management issue that could allow an a…7.5
- CVE-2022-3633A vulnerability classified as problematic has been found in …3.3
- CVE-2022-36330A buffer overflow vulnerability was discovered on firmware v…8.1
- CVE-2022-36331Western Digital My Cloud, My Cloud Home, My Cloud Home Duo, …7.5
- CVE-2022-36336A link following vulnerability in the scanning function of T…7.8
- CVE-2022-36337An issue was discovered in Insyde InsydeH2O with kernel 5.0 …8.2
- CVE-2022-36339Improper input validation in firmware for Intel(R) NUC 8 Com…7.8
- CVE-2022-3634The Contact Form 7 Database Addon WordPress plugin before 1.…9.8
- CVE-2022-36340Unauthenticated Optin Campaign Cache Deletion vulnerability …5.3
- CVE-2022-36341Authenticated (subscriber+) plugin settings change leading t…5.4
- CVE-2022-36342Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2022-36343Authenticated (author or higher user role) Stored Cross-Site…5.4
Are you affected by CVE-2022-36338?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST