CVE-2021-33104
Improper access control in the Intel(R) OFU software before version 14.1.28 may allow an...
Improper access control in the Intel(R) OFU software before version 14.1.28 may allow an authenticated user to potentially enable denial of service via local access.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Improper access control in the Intel(R) OFU software before version 14.1.28 may allow an authenticated user to potentially enable denial of service via local access.
- Record
CVE-2021-33104- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-19819
Improper access control in the Intel(R) OFU software before version 14.1.28 may allow an authenticated user to potentially enable denial of service via local access.
- Record
EUVD-2021-19819- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wqxr-fmph-7r5f
Improper access control in the Intel(R) OFU software before version 14.1.28 may allow an...
Improper access control in the Intel(R) OFU software before version 14.1.28 may allow an authenticated user to potentially enable denial of service via local access.
- Record
GHSA-wqxr-fmph-7r5f- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
NVD
Improper access control in the Intel(R) OFU software before version 14.1.28 may allow an authenticated user to potentially enable denial of service via local access.
- Record
CVE-2021-33104- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H - CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | rjt-gupta/CVE-2021-33104 | 2023-03-15 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33104 is a medium vulnerability (CVSS 6.5) in Intel One Boot Flash Update, published February 16, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 0.31%, the 23rd percentile. No source names a fixed version.