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.

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

EPSS: 0.019 (77.4th percentile) — read the EPSS interpretation.

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.

Affected products

Progress Sitefinity — versions 5.1, 5.2, 5.3
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, 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.