CVE-2021-42654

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
VendorProductVersion
sscmssiteserver_cms
𝑥
< 5.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/siteserver/cms
https://github.com/siteserver/cms/issues/3236
https://github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/siteserver_install.zip
https://github.com/siteserver/cms
https://github.com/siteserver/cms/issues/3236
https://github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/siteserver_install.zip