ARM Trusted Firmware-M up to 1.2 NSPE Handler Mode denial of service

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

Summaryinfo

A vulnerability, which was classified as problematic, was found in ARM Trusted Firmware-M up to 1.2. The impacted element is an unknown function of the component NSPE Handler Mode. The manipulation results in denial of service. This vulnerability is reported as CVE-2021-27562. Moreover, an exploit is present. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic has been found in ARM Trusted Firmware-M up to 1.2 (Firmware Software). Affected is some unknown functionality of the component NSPE Handler Mode. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was disclosed 05/26/2021. The advisory is available at git.trustedfirmware.org. This vulnerability is traded as CVE-2021-27562. Technical details are unknown but an exploit is available.

It is declared as attacked. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 11/17/2021:

Apply updates per vendor instructions.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.trustedfirmware.org.

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

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 5.5
CNA Vector: 🔍

ADP CISA Base Score: 5.5
ADP CISA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.trustedfirmware.org

Timelineinfo

02/22/2021 🔍
05/26/2021 +92 days 🔍
05/26/2021 +0 days 🔍
06/06/2026 +1836 days 🔍

Sourcesinfo

Advisory: git.trustedfirmware.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-27562 (🔍)
GCVE (CVE): GCVE-0-2021-27562
GCVE (VulDB): GCVE-100-175842
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/26/2021 10:21
Updated: 06/06/2026 00:54
Changes: 05/26/2021 10:21 (39), 05/29/2021 14:13 (6), 04/21/2024 13:05 (26), 09/13/2024 11:48 (1), 02/05/2025 08:16 (27), 06/06/2026 00:54 (9)
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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