Auth bypass in Progress Sitefinity
CVE-2017-15883
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.019 (78.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Progress Sitefinity — versions 5.1, 5.2, 5.3
Weakness classification (CWE)
References
- www.mnemonic.no/news/2017/vulnerability-finding-sitefinity-cms/ (Third Party Advisory)
- knowledgebase.progress.com/articles/Article/Sitefinity-Security-Advisory-for-cr… (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-15883?
- CVE-2017-15883 is a critical-severity vulnerability in Progress Sitefinity, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-01-08.
- How severe is CVE-2017-15883?
- Critical severity. CVSS v3 base score is 9.8 out of 10.