AMD EPYC Guest VM privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in AMD EPYC. It has been classified as critical. This impacts an unknown function of the component Guest VM Handler. The manipulation leads to an unknown weakness. This vulnerability is referenced as CVE-2021-26340. No exploit is available.

Detailsinfo

A vulnerability was found in AMD EPYC (unknown version). It has been rated as critical. This issue affects an unknown code block of the component Guest VM Handler. Impacted is confidentiality, integrity, and availability.

The weakness was published 12/11/2021. It is possible to read the advisory at amd.com. The identification of this vulnerability is CVE-2021-26340 since 01/29/2021. The technical details are unknown and an exploit is not publicly available.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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: Privilege escalation
CWE: Unknown
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/29/2021 🔍
12/11/2021 +316 days 🔍
12/11/2021 +0 days 🔍
12/15/2021 +4 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2021-26340 (🔍)
GCVE (CVE): GCVE-0-2021-26340
GCVE (VulDB): GCVE-100-187955

Entryinfo

Created: 12/11/2021 08:37
Updated: 12/15/2021 18:17
Changes: 12/11/2021 08:37 (35), 12/15/2021 18:17 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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