The DynamicMetadataProvider class in saml/saml2/metadata/impl/DynamicMetadataProvider.cpp…
Priority LOW 38CWE-347Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-347.
Summary
The DynamicMetadataProvider class in saml/saml2/metadata/impl/DynamicMetadataProvider.cpp in OpenSAML-C in OpenSAML 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 CPPOST-105.
Why it matters now
EPSS 0.01398 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:shibboleth:opensaml:*:*:*:*:*:*:*:* | before 2.6.1 | Vulnerable | Shibboleth |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:a:shibboleth:opensaml:*:*:*:*:*:*:*:* Versions before 2.6.1 Vulnerable ·Shibboleth
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 7 products
- Red Hat JBoss Data Grid 6
- Red Hat JBoss Data Virtualization 6
- Red Hat JBoss Enterprise Application Platform 6
- Red Hat JBoss Enterprise Application Platform 7
- Red Hat JBoss Fuse Service Works 6
- Red Hat JBoss Operations Network 3
- Red Hat JBoss Portal 6
Timeline
- 2026-10-02 Threatist record created from CVE-2017-16853
- 2026-10-03 Alias added: GHSA-hrv7-jmr6-cr43
References
Advisory 3
Sources
- CVE-2017-16853 · CVE Program
- CVE-2017-16853 · NVD
- FIRST EPSS
- GHSA-hrv7-jmr6-cr43 · GitHub Advisory Database · CC BY 4.0
- CVE-2017-16853 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences