Dell PowerEdge Server BIOS/Precision Rack BIOS System Management Mode input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Dell PowerEdge Server BIOS and Precision Rack BIOS. Affected by this issue is some unknown functionality of the component System Management Mode. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2021-21557. It is possible to launch the attack on the local host. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Dell PowerEdge Server BIOS and Precision Rack BIOS (affected version not known). It has been declared as problematic. This vulnerability affects some unknown functionality of the component System Management Mode. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 06/15/2021. The advisory is available at dell.com. This vulnerability was named CVE-2021-21557. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2021 🔍
06/15/2021 +161 days 🔍
06/15/2021 +0 days 🔍
06/18/2021 +3 days 🔍

Sourcesinfo

Vendor: dell.com

Advisory: dell.com
Status: Confirmed

CVE: CVE-2021-21557 (🔍)
GCVE (CVE): GCVE-0-2021-21557
GCVE (VulDB): GCVE-100-177046

Entryinfo

Created: 06/15/2021 07:11
Updated: 06/18/2021 10:28
Changes: 06/15/2021 07:11 (36), 06/18/2021 10:22 (5), 06/18/2021 10:28 (1)
Complete: 🔍
Cache ID: 216::103

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