HP PC improper restriction of software interfaces to hardware features

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in HP PC. Impacted is an unknown function. Performing a manipulation results in improper restriction of software interfaces to hardware features. This vulnerability is known as CVE-2024-5477. The attack may be carried out on the physical device. No exploit is available. It is suggested to upgrade the affected component.
Details
A vulnerability classified as critical has been found in HP PC (the affected version is unknown). This affects an unknown code. The manipulation with an unknown input leads to a improper restriction of software interfaces to hardware features vulnerability. CWE is classifying the issue as CWE-1256. The product provides software-controllable
device functionality for capabilities such as power and
clock management, but it does not properly limit
functionality that can lead to modification of
hardware memory or register bits, or the ability to
observe physical side channels. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
A potential security vulnerability has been identified in the System BIOS for some HP PC products which may allow escalation of privilege, arbitrary code execution, denial of service, or information disclosure via a physical attack that requires specialized equipment and knowledge. HP is releasing firmware mitigation for the potential vulnerability.
It is possible to read the advisory at support.hp.com. This vulnerability is uniquely identified as CVE-2024-5477 since 05/29/2024. The exploitability is told to be difficult. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1829). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Affected
- HP BIOS
Product
Vendor
Name
License
Website
- Vendor: https://www.hp.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.1
VulDB Base Score: 6.4
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Improper restriction of software interfaces to hardware featuresCWE: CWE-1256
CAPEC: 🔒
ATT&CK: 🔒
Physical: Yes
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Timeline
05/29/2024 CVE reserved08/13/2025 Advisory disclosed
08/13/2025 VulDB entry created
05/05/2026 VulDB entry last update
Sources
Vendor: hp.comAdvisory: support.hp.com
Status: Confirmed
CVE: CVE-2024-5477 (🔒)
GCVE (CVE): GCVE-0-2024-5477
GCVE (VulDB): GCVE-100-319995
CERT Bund: WID-SEC-2025-1829 - HP BIOS: Schwachstelle ermöglicht Privilegieneskalation
Entry
Created: 08/13/2025 20:37Updated: 05/05/2026 12:30
Changes: 08/13/2025 20:37 (61), 08/14/2025 15:31 (1), 08/15/2025 06:52 (7), 05/05/2026 12:27 (1), 05/05/2026 12:30 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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