CVE-2021-3149

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

4.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 90.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-02-22 01:48Z5 YR AGO

Last updated

2024-08-03 16:45Z2 YR AGO

Reserved

2021-01-14

Assigning CNA

mitre

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

0d6ba9328ba8b3c36dd0235f0ea04c83d463e9ec559b92ebef187e67e758adc5

• www.netshieldcorp.comhttps://www.netshieldcorp.com/netshield-appliances/x_refsource_MISC
• www.digitaldefense.comhttps://www.digitaldefense.com/resources/vulnerability-research/netshield-corporation-nano-25/x_refsource_MISC
• kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10356x_refsource_CONFIRM