ARM Trusted Firmware-M 1.4.0 NSPE access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in ARM Trusted Firmware-M 1.4.0. It has been classified as critical. Affected by this issue is some unknown functionality of the component NSPE. This manipulation causes access control. The identification of this vulnerability is CVE-2021-40327. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in ARM Trusted Firmware-M 1.4.0 (Firmware Software). Affected by this vulnerability is an unknown code block of the component NSPE. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 01/13/2022. It is possible to read the advisory at tf-m-user-guide.trustedfirmware.org. This vulnerability is known as CVE-2021-40327 since 08/30/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

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

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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

08/30/2021 🔍
01/13/2022 +136 days 🔍
01/13/2022 +0 days 🔍
06/06/2026 +1604 days 🔍

Sourcesinfo

Advisory: tf-m-user-guide.trustedfirmware.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-40327 (🔍)
GCVE (CVE): GCVE-0-2021-40327
GCVE (VulDB): GCVE-100-190279

Entryinfo

Created: 01/13/2022 18:25
Updated: 06/06/2026 00:54
Changes: 01/13/2022 18:25 (38), 01/16/2022 09:28 (2), 06/06/2026 00:54 (33)
Complete: 🔍
Cache ID: 216::103

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