CVE-2025-20005
Improper Buffer Restriction in Intel UEFI Firmware Enables Privilege Escalation
Publication date: 2026-03-10
Last updated on: 2026-03-10
Assigner: Intel Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| intel | uefi_firmware | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-119 | The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves improper buffer restrictions in some UEFI firmware for certain Intel reference platforms. It may allow an escalation of privilege where a system software adversary with a privileged user account, combined with a high complexity attack, could manipulate data. The attack requires local access, no user interaction, and special internal knowledge.
How can this vulnerability impact me? :
The vulnerability can impact the integrity of the vulnerable system with a high severity, and availability with a low severity. Confidentiality is not impacted. This means an attacker could manipulate system data or affect system availability, but would not gain access to confidential information.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
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