CVE-2021-42654

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

SiteServer CMS < V5.1 is affected by an unrestricted upload of a file with dangerous type (getshell), which could be used to execute arbitrary code.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

No affected versions have been published.

Timeline

Published
May 24, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-42654: Critical severity, CVSS 9.8 | Vulnix