Dell BIOS improper authentication

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 (≈)
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CTI Interest Score
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7.9$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Dell BIOS. This vulnerability affects unknown code. Such manipulation leads to improper authentication. This vulnerability is listed as CVE-2023-28073. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Dell BIOS (affected version unknown) and classified as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Dell BIOS contains an improper authentication vulnerability. A locally authenticated malicious user may potentially exploit this vulnerability by bypassing certain authentication mechanisms in order to elevate privileges on the system.

The weakness was presented 06/23/2023 as dsa-2023-160. The advisory is shared for download at dell.com. This vulnerability is handled as CVE-2023-28073 since 03/10/2023. 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 07/18/2023).

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

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.2
CNA Vector (Dell): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/10/2023 🔍
06/23/2023 +104 days 🔍
06/23/2023 +0 days 🔍
07/18/2023 +25 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dsa-2023-160
Status: Confirmed

CVE: CVE-2023-28073 (🔍)
GCVE (CVE): GCVE-0-2023-28073
GCVE (VulDB): GCVE-100-232268

Entryinfo

Created: 06/23/2023 13:38
Updated: 07/18/2023 07:47
Changes: 06/23/2023 13:38 (47), 07/18/2023 07:47 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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