CVE-2017-15883

Name: CVE-2017-15883
Creator: NVD / NIST
Published: 2018-01-08T19:29:00.953+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.90%

Last modified Jun 17, 2026

CVE-2017-15883 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.90% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.90%

77.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-287

Affected Software

Vendor	Product	Versions
Progress	Sitefinity	5.1
Progress	Sitefinity	5.2
Progress	Sitefinity	5.3
Progress	Sitefinity	5.4
Progress	Sitefinity	6.0
Progress	Sitefinity	6.1
Progress	Sitefinity	6.2
Progress	Sitefinity	6.3
Progress	Sitefinity	7.0
Progress	Sitefinity	7.1
Progress	Sitefinity	7.2
Progress	Sitefinity	7.3
Progress	Sitefinity	8.0
Progress	Sitefinity	8.1
Progress	Sitefinity	8.2
Progress	Sitefinity	9.0
Progress	Sitefinity	9.1
Progress	Sitefinity	9.2
Progress	Sitefinity	10.0
Progress	Sitefinity	10.1

References

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

Timeline

Published: Jan 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-15883?

How severe is CVE-2017-15883?

Severity scoring for CVE-2017-15883 is pending analysis. The EPSS model estimates a 1.90% probability of exploitation in the next 30 days.

How do I fix CVE-2017-15883?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-15883?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST