What’s Vulnerable › Vulnerabilities

CVE-2017-15883

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-01-08 · updated 2026-06-17
• Weakness: CWE-287

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 Software Corporation Sitefinity: 5.1, 5.2, 5.3, 5.4, 6.0, 6.1 (+14)

References

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

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