CVE-2012-4078

The Baseboard Management Controller (BMC) in Cisco Unified Computing System (UCS) does not properly handle SSH escape sequences, which allows remote authenticated users to bypass an unspecified authentication step via SSH port forwarding, aka Bug ID CSCtg17656.

Published: 2013-09-24 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-4078 is rated High Risk (67.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.54%). EPSS rose +2.62% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-4078

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 0.92% 3.54% +2.62%
2 2025-09-10 0.50% 0.92% +0.42%
3 2025-03-30 — 0.50% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4078

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.5 2.0 HIGH
AV:N/AC:M/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 6.8 10.0 [email protected]

Weakness enumeration for CVE-2012-4078

Affected software / configurations for CVE-2012-4078

Vendor Product Version Raw CPE
cisco unified_computing_system 1.0\(2k\) cpe:2.3:a:cisco:unified_computing_system:1.0\(2k\):*:*:*:*:*:*:*
cisco unified_computing_system 1.0_base cpe:2.3:a:cisco:unified_computing_system:1.0_base:*:*:*:*:*:*:*
cisco unified_computing_system 1.1\(1m\) cpe:2.3:a:cisco:unified_computing_system:1.1\(1m\):*:*:*:*:*:*:*
cisco unified_computing_system 1.1_base cpe:2.3:a:cisco:unified_computing_system:1.1_base:*:*:*:*:*:*:*

References for CVE-2012-4078

cvelogic Threat Intelligence