Critical severity9.8NVD Advisory· Published Jan 8, 2018· Updated Jun 17, 2026

CVE-2017-15883

Description

Sitefinity 5.1, 5.2, 5.3, 5.4, 6.x, 7.x, 8.x, 9.x, and 10.x allow remote attackers to bypass authentication and consequently cause a denial of service on load balanced sites or gain privileges via vectors related to weak cryptography.

Affected products

Progress (organisation)/Sitefinityllm-fuzzy
Range: 5.1, 5.2, 5.3, 5.4, 6.x, 7.x, 8.x, 9.x, and 10.x
Sitefinity/Sitefinitycmsllm-fuzzy
Range: 5.1, 5.2, 5.3, 5.4, 6.x, 7.x, 8.x, 9.x, and 10.x

Patches

Vulnerability mechanics

References

knowledgebase.progress.com/articles/Article/Sitefinity-Security-Advisory-for-cryptographic-vulnerability-CVE-2017-15883nvdVendor Advisory
www.mnemonic.no/news/2017/vulnerability-finding-sitefinity-cms/nvdThird Party Advisory

News mentions

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cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000