Dell BIOS SMRAM input validation

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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6.9$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Dell BIOS. Affected by this vulnerability is an unknown functionality of the component SMRAM. Performing a manipulation results in input validation. This vulnerability is known as CVE-2021-36323. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in Dell BIOS (affected version not known). This affects some unknown functionality of the component SMRAM. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 11/13/2021 as 000192967. It is possible to read the advisory at dell.com. This vulnerability is uniquely identified as CVE-2021-36323 since 07/08/2021. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 11/13/2021).

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

Be aware that VulDB is the high quality 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: 6.9
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.4
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Dell): 🔍

CVSSv2info

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

Exploitinginfo

Class: Input validation
CWE: CWE-20
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

07/08/2021 🔍
11/13/2021 +128 days 🔍
11/13/2021 +0 days 🔍
11/16/2021 +3 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: 000192967
Status: Confirmed

CVE: CVE-2021-36323 (🔍)
GCVE (CVE): GCVE-0-2021-36323
GCVE (VulDB): GCVE-100-186615

Entryinfo

Created: 11/13/2021 09:48
Updated: 11/16/2021 14:14
Changes: 11/13/2021 09:48 (38), 11/13/2021 09:49 (10), 11/16/2021 14:14 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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