CVE-2021-31891

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

3.84% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 89.2% of scored records. A rank, not a probability.

NVD base score

10.0 (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:C/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

2021-09-14 10:47Z4 YR AGO

Last updated

2024-08-03 23:10Z2 YR AGO

Reserved

2021-04-29

Assigning CNA

siemens

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.1

Document digest

17967f090053a1b391716d9706e65d3c42beaf39efb7908f207495a47509272c

• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-535380.pdfx_refsource_MISC