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Critical severity9.8NVD Advisory· Published May 24, 2022· Updated Jun 17, 2026

CVE-2021-42654

CVE-2021-42654

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3

Sscms/Siteserver CMS
cpe:2.3:a:sscms:siteserver_cms:*:*:*:*:*:*:*:*
Range: <5.1
Siteserver/CMScpe-rescue2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <5.1

Patches

Vulnerability mechanics

References

2

github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/siteserver_install.zipnvdPatchThird Party Advisory
github.com/siteserver/cms/issues/3236nvdIssue TrackingThird Party Advisory

News mentions

0

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