CVE-2021-43522

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

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 18.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-08-11.

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

2022-02-02 23:41Z4 YR AGO

Last updated

2026-08-11 12:22Z24 DAYS AGO

Reserved

2021-11-08

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

9399d233c86107f460b708c3e2d925fe96dd17296f0837b7489989bc797cf4e9

• www.insyde.comhttps://www.insyde.com/security-pledgex_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20220216-0003/x_refsource_CONFIRM
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdfx_refsource_CONFIRM
• www.kb.cert.orghttps://www.kb.cert.org/vuls/id/796611
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-306654.html