CVE-2017-15883

critical

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.

References

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

Details

Source: Mitre, NVD

Published: 2018-01-08

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00156