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GHSA-ff4w-8chr-w2x9

SiteServer CMS RCE via unsafe file upload

Source: GitHub Advisory Database (reviewed) High CVE-2019-11401

Packages

EcosystemPackageAffectedFixed in
NuGet sscms < 6.12 6.12

Details

As written in the advisory (Markdown source, shown as plain text).

A issue was discovered in SiteServer CMS prior to version 6.12. It allows remote attackers to execute arbitrary code because an administrator can add the permitted file extension `.aassp`, which is converted to `.asp` because the "as" substring is deleted.

References

External links from the advisory. They lead to third-party sites.