CVE-2021-42171

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

2.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 83.4% 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

2022-03-14 14:51Z4 YR AGO

Last updated

2024-08-04 03:30Z2 YR AGO

Reserved

2021-10-11

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

fe499a7ecf6400812d96036f6a55a2c3d89166077c8567bdfbccd5a1f3cd98cf

• minhnq22.medium.comhttps://minhnq22.medium.com/file-upload-to-rce-on-zenario-9-0-54156-cms-fa05fcc6cf74x_refsource_MISC
• github.comhttps://github.com/hieuminhnv/Zenario-CMS-9.0-last-version/issues/2x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/166617/Zenario-CMS-9.0.54156-Remote-Code-Execution.htmlx_refsource_MISC