CVE-2017-16852

Name: CVE-2017-16852
Creator: NVD / NIST
Published: 2017-11-16T17:29:00.45+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.10%

Last modified Jun 17, 2026

CVE-2017-16852 is a vulnerability of currently unknown severity. shibsp/metadata/DynamicMetadataProvider.cpp in the Dynamic MetadataProvider plugin in Shibboleth Service Provider before 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification, enforcement of validity periods, and other checks specific to deployments, aka SSPCPP-763.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

Description

shibsp/metadata/DynamicMetadataProvider.cpp in the Dynamic MetadataProvider plugin in Shibboleth Service Provider before 2.6.1 fails to properly configure itself with the MetadataFilter plugins and does not perform critical security checks such as signature verification, enforcement of validity periods, and other checks specific to deployments, aka SSPCPP-763.

Metrics

EPSS Probability

1.10%

61.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-347

Affected Software

Vendor	Product	Versions
Shibboleth	Service Provider	< 2.6.1
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

https://bugs.debian.org/881857Issue Tracking, Third Party Advisory
https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=b66cceb0e992c351ad5e2c665229ede82f261b16
https://lists.debian.org/debian-lts-announce/2017/11/msg00025.html
https://shibboleth.net/community/advisories/secadv_20171115.txtIssue Tracking, Vendor Advisory
https://www.debian.org/security/2017/dsa-4038Issue Tracking, Third Party Advisory
https://bugs.debian.org/881857Issue Tracking, Third Party Advisory
https://git.shibboleth.net/view/?p=cpp-sp.git%3Ba=commit%3Bh=b66cceb0e992c351ad5e2c665229ede82f261b16
https://lists.debian.org/debian-lts-announce/2017/11/msg00025.html
https://shibboleth.net/community/advisories/secadv_20171115.txtIssue Tracking, Vendor Advisory
https://www.debian.org/security/2017/dsa-4038Issue Tracking, Third Party Advisory

Timeline

Published: Nov 16, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-16852?

How severe is CVE-2017-16852?

Severity scoring for CVE-2017-16852 is pending analysis. The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.

How do I fix CVE-2017-16852?

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-2017-16852?

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

Scan your code now

Source: NVD / NIST