VDB-222597 · CVE-2022-46752 · dsa-2023-011

Dell BIOS improper authorization

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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Dell BIOS. Affected by this issue is some unknown functionality. Performing a manipulation results in improper authorization. This vulnerability is reported as CVE-2022-46752. The attack may be carried out on the physical device. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Dell BIOS (the affected version is unknown). This affects an unknown code. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on availability. The summary by CVE is:

Dell BIOS contains an Improper Authorization vulnerability. An unauthenticated physical attacker may potentially exploit this vulnerability, leading to denial of service.

The weakness was disclosed 03/08/2023 as dsa-2023-011. The advisory is shared at dell.com. This vulnerability is uniquely identified as CVE-2022-46752 since 12/07/2022. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

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

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Productinfo

Type

Chip Software

Vendor

Dell

Name

BIOS

License

commercial

Website

Vendor: https://www.dell.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 4.6
CNA Vector (Dell): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
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
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/07/2022 🔍
03/08/2023 +91 days 🔍
03/08/2023 +0 days 🔍
03/08/2023 +0 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2023-011
Status: Confirmed

CVE: CVE-2022-46752 (🔍)
GCVE (CVE): GCVE-0-2022-46752
GCVE (VulDB): GCVE-100-222597

Entryinfo

Created: 03/08/2023 18:58
Changes: 03/08/2023 18:58 (47)
Complete: 🔍
Cache ID: 216::103