CVE-2021-27562: Arm Trusted Firmware Out-of-Bounds Write Vulnerability
Medium · CVSS 5.5 (CVSS 3.1)KEV known exploitedEPSS 3.1%, 88th percentilePublished Updated Assigner: mitre
In CISA’s Known Exploited Vulnerabilities catalog: Arm Trusted Firmware Out-of-Bounds Write Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply updates per vendor instructions.
Description
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.
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Arm: Trusted Firmware
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- developer.arm.com/support/arm-security-updates (opens in new tab)
- git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/sv… (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)