Open redirect vulnerability in the login form in Zenoss Core before 4.2.5 SP161 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the came_from parameter, aka ZEN-11998.
Conclusion & alert: CVE-2014-6255 is rated Moderate Risk (54.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.07%). Core evidence: EPSS rose +1.54% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
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 | 0.53% | 2.07% | +1.54% |
| 2 | 2025-05-08 | 0.37% | 0.53% | +0.16% |
| 3 | 2025-03-30 | — | 0.37% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
: <a href="http://cwe.mitre.org/data/definitions/601.html">CWE-601: URL Redirection to Untrusted Site ('Open Redirect')</a>
Addressed in versions 5.0, 4.2.5.SP167, and 4.2.4.SP555
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| zenoss | zenoss_core | <= 4.2.5 | cpe:2.3:a:zenoss:zenoss_core:*:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 2.4.0 | cpe:2.3:a:zenoss:zenoss_core:2.4.0:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 2.4.5 | cpe:2.3:a:zenoss:zenoss_core:2.4.5:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 2.5.0 | cpe:2.3:a:zenoss:zenoss_core:2.5.0:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 2.5.1 | cpe:2.3:a:zenoss:zenoss_core:2.5.1:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 2.5.2 | cpe:2.3:a:zenoss:zenoss_core:2.5.2:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 3.0.0 | cpe:2.3:a:zenoss:zenoss_core:3.0.0:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 3.0.1 | cpe:2.3:a:zenoss:zenoss_core:3.0.1:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 3.0.2 | cpe:2.3:a:zenoss:zenoss_core:3.0.2:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 3.0.3 | cpe:2.3:a:zenoss:zenoss_core:3.0.3:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 3.1.0 | cpe:2.3:a:zenoss:zenoss_core:3.1.0:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 3.2.0 | cpe:2.3:a:zenoss:zenoss_core:3.2.0:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 3.2.1 | cpe:2.3:a:zenoss:zenoss_core:3.2.1:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 4.2.0 | cpe:2.3:a:zenoss:zenoss_core:4.2.0:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 4.2.3 | cpe:2.3:a:zenoss:zenoss_core:4.2.3:*:*:*:*:*:*:* |
| zenoss | zenoss_core | 4.2.4 | cpe:2.3:a:zenoss:zenoss_core:4.2.4:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.kb.cert.org/vuls/id/449452 | Third Party Advisory US Government Resource |
| https://docs.google.com/spreadsheets/d/1dHAc4PxUbs-4Dxzm1wSCE0sMz5UCMY6SW3PlMHSyuuQ/edit?usp=sharing | Vendor Advisory |