How severe is CVE-2012-4078?

CVE-2012-4078 has a CVSS 2.0 base score of 8.5, rated high severity.

Is CVE-2012-4078 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4078?

CVE-2012-4078 primarily affects Cisco Unified Computing System. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4078?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2012-4078 published?

CVE-2012-4078 was published on 2013-09-24 and last updated on 2026-06-16.

CVE-2012-4078

CVE-2012-4078 is a high-severity vulnerability in Cisco Unified Computing System with a CVSS 2.0 base score of 8.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 2.0 base score 8.5)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Unified Computing System
Published: 2013-09-24
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2012-4078?: CVE-2012-4078 has a CVSS 2.0 base score of 8.5, rated high severity.
Is CVE-2012-4078 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4078?: CVE-2012-4078 primarily affects Cisco Unified Computing System. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4078?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2012-4078 published?: CVE-2012-4078 was published on 2013-09-24 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:cisco:unified_computing_system:1.0\(2k\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_computing_system:1.0_base:*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_computing_system:1.1\(1m\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_computing_system:1.1_base:*:*:*:*:*:*:*

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