AMD Ryzen/Athlon SMM access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in AMD Ryzen and Athlon. It has been declared as critical. This affects an unknown part of the component SMM Handler. Such manipulation leads to access control. This vulnerability is listed as CVE-2022-23821. There is no available exploit.

Detailsinfo

A vulnerability was found in AMD Ryzen and Athlon (version now known). It has been rated as critical. Affected by this issue is some unknown processing of the component SMM Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Improper access control in System Management Mode (SMM) may allow an attacker to write to SPI ROM potentially leading to arbitrary code execution.

The weakness was presented 11/14/2023. The advisory is available at amd.com. This vulnerability is handled as CVE-2022-23821 since 01/21/2022. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

01/21/2022 🔍
11/14/2023 +662 days 🔍
11/14/2023 +0 days 🔍
12/09/2023 +25 days 🔍

Sourcesinfo

Advisory: amd.com
Status: Confirmed

CVE: CVE-2022-23821 (🔍)
GCVE (CVE): GCVE-0-2022-23821
GCVE (VulDB): GCVE-100-245258

Entryinfo

Created: 11/14/2023 20:08
Updated: 12/09/2023 09:22
Changes: 11/14/2023 20:08 (37), 12/09/2023 09:22 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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