CVE-2021-34257

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

1.82% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 77.1% 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

2022-03-31 15:57Z4 YR AGO

Last updated

2024-08-04 00:05Z2 YR AGO

Reserved

2021-06-07

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.1

Document digest

762ee550fb78816aa118152c06aa263233000115651f0aab845623d11202b1fd

• latestpcsolution.wordpress.comhttps://latestpcsolution.wordpress.com/2021/06/05/wpanel4-cms-authenticated-rce/x_refsource_MISC
• github.comhttps://github.com/Sentinal920/WPanel4-Authenticated-RCEx_refsource_MISC