MEDIUM CISA KEV

CVE-2021-27562

CVSS v3

5.5

MEDIUM

EPSS Score

54.2%

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
11/3/2021
Patch Due Date
11/17/2021
Ransomware Use
Unknown

Technical details

Published
5/25/2021

Frequently asked questions

What is 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.

Is CVE-2021-27562 actively exploited?

Yes. CVE-2021-27562 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/17/2021.

What is the CVSS score for CVE-2021-27562?

CVE-2021-27562 has a CVSS v3 base score of 5.5 (MEDIUM severity).

Is CVE-2021-27562 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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