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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/siteserver/cms	Product Third Party Advisory
https://github.com/siteserver/cms/issues/3236	Issue Tracking Third Party Advisory
https://github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/siteserver_install.zip	Patch Third Party Advisory
https://github.com/siteserver/cms	Product Third Party Advisory
https://github.com/siteserver/cms/issues/3236	Issue Tracking Third Party Advisory
https://github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/siteserver_install.zip	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:sscms:siteserver_cms:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:27

Type	Values Removed	Values Added
References	~~() https://github.com/siteserver/cms - Product, Third Party Advisory~~	() https://github.com/siteserver/cms - Product, Third Party Advisory
References	~~() https://github.com/siteserver/cms/issues/3236 - Issue Tracking, Third Party Advisory~~	() https://github.com/siteserver/cms/issues/3236 - Issue Tracking, Third Party Advisory
References	~~() https://github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/siteserver_install.zip - Patch, Third Party Advisory~~	() https://github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/siteserver_install.zip - Patch, Third Party Advisory

Information

Published : 2022-05-24 13:15

Updated : 2024-11-21 06:27

NVD link : CVE-2021-42654

Mitre link : CVE-2021-42654

CVE.ORG link : CVE-2021-42654

JSON object : View

Products Affected

sscms

siteserver_cms

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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