CVE-2021-44522

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

1.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 69.8% 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:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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

2021-12-14 12:07Z4 YR AGO

Last updated

2024-08-04 04:25Z2 YR AGO

Reserved

2021-12-02

Assigning CNA

siemens

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-668Exposure of Resource to Wrong SphereClass

Data version

5.1

Document digest

6d950dbed614ec6d4c9a92a6ddc8e684806393a6b3bcf8bcd1bb2f2cbb4dc1a3

• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-463116.pdfx_refsource_MISC
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-160202.pdfx_refsource_MISC