Buffer overflow in the Smart Call Home feature in the fabric interconnect in Cisco Unified Computing System (UCS) allows remote attackers to cause a denial of service by reading and forging control messages associated with Smart Call Home reports, aka Bug ID CSCtl00198.
Conclusion & alert: CVE-2012-4094 is rated Moderate Risk (50.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.05%). Core evidence: EPSS rose +1.21% 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 | 0.84% | 2.05% | +1.21% |
| 2 | 2025-03-30 | 0.61% | 0.84% | +0.23% |
| 3 | 2025-03-29 | — | 0.61% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 2.0 | MEDIUM |
|
4.9 | 6.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | unified_computing_system | — | cpe:2.3:h:cisco:unified_computing_system:-:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4094 | Vendor Advisory |
| http://www.securitytracker.com/id/1029085 | Third Party Advisory VDB Entry |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/87370 |