CVE-2023-4857
An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an...
An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
7.5
An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.
- Record
CVE-2023-4857- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2023-54697
7.5
An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.
- Record
EUVD-2023-54697- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-877w-cfhh-j9x8
7.5
An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an...
An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.
- Record
GHSA-877w-cfhh-j9x8- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
NVD
7.5
An authentication bypass vulnerability was identified in SMM/SMM2 and FPC that could allow an authenticated user to execute certain IPMI calls that could lead to exposure of limited system information.
- Record
CVE-2023-4857- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-4857 is a high vulnerability (CVSS 7.5) in Lenovo Fan Power Controller, published April 15, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 45th percentile. No source names a fixed version.