Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-27562

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.

Published

2021-05-25T19:15:07.737

Last Modified

2025-03-14T16:22:57.903

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

6.9

Weaknesses

Type: Primary
CWE-787
Type: Secondary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	arm	trusted_firmware-m	≤ 1.2.0	Yes

References

https://developer.arm.com/support/arm-security-updates Vendor Advisory ([email protected])
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst Third Party Advisory ([email protected])
https://developer.arm.com/support/arm-security-updates Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)