CVE-2021-35223

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

2.93% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 86.9% 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:N/AC:L/PR:L/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

2021-08-31 16:00Z5 YR AGO

Last updated

2024-08-04 00:33Z2 YR AGO

Reserved

2021-06-22

Assigning CNA

SolarWinds

Record state

PUBLISHED

Severity

High (CVSS 8.5)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

3135d550d5785bc642b4601e69e9dfd3cc37eb2674bbfdd11095afc9054c43a7

• support.solarwinds.comhttps://support.solarwinds.com/SuccessCenter/s/article/Execute-Command-Function-Allows-Remote-Code-Execution-RCE-Vulnerability-CVE-2021-35223?language=en_USx_refsource_MISC
• documentation.solarwinds.comhttps://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-2-4_release_notes.htmx_refsource_MISC
• www.solarwinds.comhttps://www.solarwinds.com/trust-center/security-advisories/cve-2021-35223x_refsource_MISC