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Vulnerability Details :

CVE-2021-26313

Assigner-AMD

Assigner Org ID-b58fc414-a1e4-4f92-9d70-1add41838648

Published At-09 Jun, 2021 | 11:23

Updated At-16 Sep, 2024 | 19:41

AMD Speculative Code Store Bypass

Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data leakage.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:AMD

Assigner Org ID:b58fc414-a1e4-4f92-9d70-1add41838648

Published At:09 Jun, 2021 | 11:23

Updated At:16 Sep, 2024 | 19:41

▼CVE Numbering Authority (CNA)

AMD Speculative Code Store Bypass

Affected Products

Vendor

Advanced Micro Devices, Inc.

Product

All supported processors

Versions

Affected

From unspecified before undefined (custom)

Problem Types

Type	CWE ID	Description
CWE	CWE-208	CWE-208 Information Exposure Through Timing Discrepancy

Type: CWE

CWE ID: CWE-208

Description: CWE-208 Information Exposure Through Timing Discrepancy

References

Hyperlink	Resource
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003	x_refsource_MISC

Hyperlink: https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003

Resource:

x_refsource_MISC

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003	x_refsource_MISC x_transferred

Hyperlink: https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003

Resource:

x_refsource_MISC

x_transferred

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:psirt@amd.com

Published At:09 Jun, 2021 | 12:15

Updated At:01 Aug, 2022 | 12:41

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Primary	2.0	2.1	LOW	AV:L/AC:L/Au:N/C:P/I:N/A:N

Type: Primary

Version: 3.1

Base score: 5.5

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Type: Primary

Version: 2.0

Base score: 2.1

Base severity: LOW

Vector:

AV:L/AC:L/Au:N/C:P/I:N/A:N

CPE Matches

Xen Project

>>xen>>*

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

Advanced Micro Devices, Inc.

>>ryzen_5_5600x>>-

cpe:2.3:h:amd:ryzen_5_5600x:-:*:*:*:*:*:*:*

Advanced Micro Devices, Inc.

>>ryzen_7_2700x>>-

cpe:2.3:h:amd:ryzen_7_2700x:-:*:*:*:*:*:*:*

Advanced Micro Devices, Inc.

>>ryzen_threadripper_2990wx>>-

cpe:2.3:h:amd:ryzen_threadripper_2990wx:-:*:*:*:*:*:*:*

Arm Limited

>>cortex-a72>>-

cpe:2.3:h:arm:cortex-a72:-:*:*:*:*:*:*:*

Broadcom Inc.

>>bcm2711>>-

cpe:2.3:h:broadcom:bcm2711:-:*:*:*:*:*:*:*

Intel Corporation

>>core_i7-10700k>>-

cpe:2.3:h:intel:core_i7-10700k:-:*:*:*:*:*:*:*

Intel Corporation

>>core_i7-7700k>>-

cpe:2.3:h:intel:core_i7-7700k:-:*:*:*:*:*:*:*

Intel Corporation

>>core_i9-9900k>>-

cpe:2.3:h:intel:core_i9-9900k:-:*:*:*:*:*:*:*

Intel Corporation

>>xeon_silver_4214>>-

cpe:2.3:h:intel:xeon_silver_4214:-:*:*:*:*:*:*:*

Debian GNU/Linux

>>debian_linux>>10.0

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-203	Primary	nvd@nist.gov
CWE-208	Secondary	psirt@amd.com

CWE ID: CWE-203

Type: Primary

Source: nvd@nist.gov

CWE ID: CWE-208

Type: Secondary

Source: psirt@amd.com

References

Hyperlink	Source	Resource
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003	psirt@amd.com	Vendor Advisory

Hyperlink: https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1003

Source: psirt@amd.com

Resource:

Vendor Advisory

CVE-2021-26313

Credits

AMD Speculative Code Store Bypass

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History

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