Vulnerability 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.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Sscms | Siteserver Cms | < 5.1 |
Related Weaknesses (CWE)
References
- https://github.com/siteserver/cmsProductThird Party Advisory
- https://github.com/siteserver/cms/issues/3236Issue TrackingThird Party Advisory
- https://github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/sitesPatchThird Party Advisory
- https://github.com/siteserver/cmsProductThird Party Advisory
- https://github.com/siteserver/cms/issues/3236Issue TrackingThird Party Advisory
- https://github.com/siteserver/cms/releases/download/siteserver-dev-v5.0.92/sitesPatchThird Party Advisory
FAQ
What is CVE-2021-42654?
CVE-2021-42654 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2021-42654?
CVE-2021-42654 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-42654?
Check the references section above for vendor advisories and patch information. Affected products include: Sscms Siteserver Cms.