CVE-2021-43619

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 34.9% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-03-01 04:31Z4 YR AGO

Last updated

2024-08-04 04:03Z2 YR AGO

Reserved

2021-11-15

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

4f6b935668c200d1602ce91cbf9bb2fa0311fc5181a9eb8c75a32f9647b540a0

• developer.arm.comhttps://developer.arm.com/support/arm-security-updatesx_refsource_MISC
• www.trustedfirmware.orghttps://www.trustedfirmware.orgx_refsource_MISC
• git.trustedfirmware.orghttps://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/x_refsource_MISC
• tf-m-user-guide.trustedfirmware.orghttps://tf-m-user-guide.trustedfirmware.org/docs/security/security_advisories/fwu_write_vulnerability.htmlx_refsource_CONFIRM