Privilege escalation via firmware out-of-bounds read
Published Feb 9, 2022 · Updated May 5, 2025
Out-of-bounds read in Intel(R) Processors firmware allows privileged local users to enable privilege escalation via local access. Intel has not publicly identified the specific firmware component or operation responsible for the out-of-bounds read. Exploitation requires privileged access on the host and can expose memory or enable higher privileges; denial of service and information disclosure are listed advisory impacts but are not specifically attributed to this CVE.
Summary
What happened
Out-of-bounds read in Intel(R) Processors firmware allows privileged local users to enable privilege escalation via local access. Intel has not publicly identified the specific firmware component or operation responsible for the out-of-bounds read. Exploitation requires privileged access on the host and can expose memory or enable higher privileges; denial of service and information disclosure are listed advisory impacts but are not specifically attributed to this CVE.
The record
- CVE
- CVE-2021-0118
- Published
- Feb 9, 2022
- Updated
- May 5, 2025
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-125, T1068
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Feb 9, 2022CVE publishedPublication date reported by the CVE source.
- May 5, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
What conditions does exploitation require?
What is affected?
Affected products and versions are unavailable in this record.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo