CVE-2021-33626

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

0.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 23.3% 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 2026-08-11.

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

2021-10-01 02:21Z5 YR AGO

Last updated

2026-08-11 12:22Z2 MO AGO

Reserved

2021-05-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-829Inclusion of Functionality from Untrusted Control SphereBase

Data version

5.2

Document digest

30efbca4382e2e4e914868d5ff39e1f321d45a4387a2e5981bcb0897e7b62900

• www.insyde.comhttps://www.insyde.com/security-pledgex_refsource_MISC
• www.insyde.comhttps://www.insyde.com/security-pledge/SA-2021001x_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20220216-0006/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