CVE-2021-3422

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

0.60% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 46.3% 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:N/I:N/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

2022-03-25 18:02Z4 YR AGO

Last updated

2024-08-03 16:53Z2 YR AGO

Reserved

2021-03-03

Assigning CNA

Splunk

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase
• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

e3fa2e71659311196a044ffccc2c66ac9ddc5ad1a7fb342faf21185dc3c18c75

• www.splunk.comhttps://www.splunk.com/en_us/product-security/announcements/svd-2022-0301.htmlx_refsource_MISC
• claroty.comhttps://claroty.com/2022/03/24/blog-research-locking-down-splunk-enterprise-indexers-and-forwarders/x_refsource_MISC