A cross-site request forgery (CSRF) vulnerability in the web interface of the Cisco Hosted Collaboration Mediation Fulfillment application could allow an unauthenticated, remote attacker to execute unwanted actions. More Information: CSCva54241. Known Affected Releases: 11.5(1). Known Fixed Releases: 11.5(0.98000.216).
Conclusion & alert: CVE-2016-6454 is rated Low Risk (39.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.50%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.15% | 0.50% | +0.34% |
| 2 | 2025-03-30 | 0.13% | 0.15% | +0.03% |
| 3 | 2025-03-29 | — | 0.13% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.0 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | hosted_collaboration_mediation_fulfillment | 10.6\(1\).0 | cpe:2.3:a:cisco:hosted_collaboration_mediation_fulfillment:10.6\(1\).0:*:*:*:*:*:*:* |
| cisco | hosted_collaboration_mediation_fulfillment | 10.6\(2\).0 | cpe:2.3:a:cisco:hosted_collaboration_mediation_fulfillment:10.6\(2\).0:*:*:*:*:*:*:* |
| cisco | hosted_collaboration_mediation_fulfillment | 10.6\(3\).0 | cpe:2.3:a:cisco:hosted_collaboration_mediation_fulfillment:10.6\(3\).0:*:*:*:*:*:*:* |
| cisco | hosted_collaboration_mediation_fulfillment | 11.5\(1\).0 | cpe:2.3:a:cisco:hosted_collaboration_mediation_fulfillment:11.5\(1\).0:*:*:*:*:*:*:* |