CVE-2021-27562

KEV
Published: Mag 25, 2021 Last Modified: Nov 03, 2025
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,5
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
MEDIUM 4,9
Access Vector: local
Access Complexity: low
Authentication: none
Confidentiality: none
Integrity: none
Availability: complete

Description

AI Translation Available

In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,5315
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

787

Out-of-bounds Write

Draft
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Unexpected State
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Technologies: ICS/OT
View CWE Details
Operating System

Trusted Firmware-M by Arm

Version Range Affected
To 1.2.0 (inclusive)
cpe:2.3:o:arm:trusted_firmware-m:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
https://developer.arm.com/support/arm-security-updates
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/…
https://developer.arm.com/support/arm-security-updates
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/…