CVE-2021-26726

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

1.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 64.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/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

2022-02-16 15:15Z4 YR AGO

Last updated

2024-09-17 00:36Z1 YR AGO

Reserved

2021-02-05

Assigning CNA

Nozomi

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base
• CWE-209Generation of Error Message Containing Sensitive InformationBase
• CWE-272Least Privilege ViolationBase
• CWE-305Authentication Bypass by Primary WeaknessBase
• CWE-330Use of Insufficiently Random ValuesClass

Data version

5.1

Document digest

8ddc6c32f03c0b33d91b0e2f1f5cf789daaaf6a02281c146f0385f03c2ff3e30

• www.nozominetworks.comhttps://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26726/x_refsource_CONFIRM
• www.valmet.comhttps://www.valmet.com/about-us/research-and-development/vulnerabilityadvisories/x_refsource_MISC