AMD EPYC Bootloader input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in AMD EPYC. It has been classified as problematic. This vulnerability affects the function SVC_LOAD_FW_IMAGE_BY_INSTANCE/SVC_LOAD_BINARY_BY_ATTRIB of the component Bootloader. This manipulation causes input validation. This vulnerability is tracked as CVE-2021-26370. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in AMD EPYC (unknown version). Affected by this vulnerability is the function SVC_LOAD_FW_IMAGE_BY_INSTANCE/SVC_LOAD_BINARY_BY_ATTRIB of the component Bootloader. 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 integrity, and availability.

The weakness was disclosed 05/11/2022. The advisory is shared at amd.com. This vulnerability is known as CVE-2021-26370 since 01/29/2021. Technical details are known, but no exploit is available.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: No
Local: No
Remote: Partially

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

01/29/2021 🔍
05/11/2022 +466 days 🔍
05/11/2022 +0 days 🔍
05/13/2022 +2 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2021-26370 (🔍)
GCVE (CVE): GCVE-0-2021-26370
GCVE (VulDB): GCVE-100-199477

Entryinfo

Created: 05/11/2022 10:13
Updated: 05/13/2022 14:39
Changes: 05/11/2022 10:13 (37), 05/13/2022 14:39 (1)
Complete: 🔍
Cache ID: 216::103

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