CVE-2021-42654

CRITICAL

Sscms Siteserver Cms < 5.1 - Unrestricted File Upload

Title source: rule
STIX 2.1

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.

References (3)

Core 3
Core References
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/siteserver/cms/issues/3236
Product, Third Party Advisory x_refsource_misc
https://github.com/siteserver/cms

Scores

CVSS v3 9.8
EPSS 0.0095
EPSS Percentile 76.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-434
Status published
Products (1)
sscms/siteserver_cms < 5.1
Published May 24, 2022
Tracked Since Feb 18, 2026