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

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MEDIUM

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

Published Sep 20, 2013

5.8

MEDIUM

CVSS 2.0

EPSS 0.60%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.60% 0.00597

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00597

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.60% (0.00597)	46.62th	v5 (v2026.06.15)
Jun 15, 2026	0.60% (0.00597)	43.71th	v5 (v2026.06.15)
Mar 17, 2025	0.18% (0.00176)	36.72th	v4 (v2025.03.14)
Dec 12, 2024	0.07% (0.00067)	31.48th	v3 (v2023.03.01)
Jun 12, 2024	0.07% (0.00067)	29.32th	v3 (v2023.03.01)
Mar 7, 2023	0.07% (0.00067)	27.29th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Sep 10, 2022	0.89% (0.00885)	26.24th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00885)	24.24th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)

Weaknesses (1)

CWE-310

References (2)

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4073
vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securitytracker.com/id/1029068
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2012-4073		vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securitytracker.com/id/1029068		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Sep 20, 2013

Updated Aug 6, 2024

Reserved Jul 31, 2012

Link CVE-2012-4073

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-4073

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-4073