How severe is CVE-2012-4073?

CVE-2012-4073 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2012-4073 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4073?

CVE-2012-4073 affects Cisco Unified Computing System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-4073?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-4073 published?

CVE-2012-4073 was published on 2013-09-20 and last updated on 2026-06-16.

CVE-2012-4073

CVE-2012-4073 is a medium-severity vulnerability in Cisco Unified Computing System with a CVSS 2.0 base score of 5.8. 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.8)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Cisco Unified Computing System
Published: 2013-09-20
Last modified: 2026-06-16

Description

The KVM subsystem in the client in Cisco Unified Computing System (UCS) does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers, and read or modify KVM data, via a crafted certificate, aka Bug ID CSCte90332.

Frequently asked questions

What is CVE-2012-4073?: The KVM subsystem in the client in Cisco Unified Computing System (UCS) does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers, and read or modify KVM data, via a crafted certificate, aka Bug ID CSCte90332.
How severe is CVE-2012-4073?: CVE-2012-4073 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2012-4073 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4073?: CVE-2012-4073 affects Cisco Unified Computing System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-4073?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4073 published?: CVE-2012-4073 was published on 2013-09-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:h:cisco:unified_computing_system:-:*:*:*:*:*:*:*

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