VDB-267740 · CVE-2022-37020 · GCVE-0-2022-37020

HP BIOS buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.1	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in HP BIOS and classified as critical. Affected by this vulnerability is an unknown functionality. Such manipulation leads to Local Privilege Escalation. This vulnerability is referenced as CVE-2022-37020. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in HP BIOS (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a local privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Potential vulnerabilities have been identified in the system BIOS for certain HP PC products, which might allow escalation of privileges and code execution. HP is releasing firmware updates to mitigate the potential vulnerabilities.

The advisory is shared for download at support.hp.com. This vulnerability is handled as CVE-2022-37020 since 07/28/2022. The exploitation is known to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/13/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

BIOS

License

commercial

Website

Vendor: https://www.hp.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector: 🔍

ADP CISA Base Score: 6.8
ADP CISA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/28/2022 🔍
06/11/2024 +684 days 🔍
06/11/2024 +0 days 🔍
02/13/2026 +612 days 🔍

Sourcesinfo

Vendor: hp.com

Advisory: support.hp.com
Status: Confirmed

CVE: CVE-2022-37020 (🔍)
GCVE (CVE): GCVE-0-2022-37020
GCVE (VulDB): GCVE-100-267740

Entryinfo

Created: 06/11/2024 07:14
Updated: 02/13/2026 17:28
Changes: 06/11/2024 07:14 (48), 10/29/2024 04:46 (14), 02/13/2026 17:28 (11)
Complete: 🔍
Cache ID: 216::103