CVE-2014-4768 — IBM Unified Extensible Firmware Interface (UEFI) on Flex System x880 X6, System x3850 X6, and System x3950 X6 devices allows remote authenticated users to cause an unspecified temporary denial of service by using privileged access to enable a legacy boot mode

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LOW

IBM Unified Extensible Firmware Interface (UEFI) on Flex System x880 X6, System x3850 X6, and System x3950 X6 devices allows remote authenticated users to cause an unspecified temporary denial of service by using privileged access to enable a legacy boot mode

Published Jun 28, 2015

2.1

LOW

CVSS 2.0

EPSS 0.80%

Description

IBM Unified Extensible Firmware Interface (UEFI) on Flex System x880 X6, System x3850 X6, and System x3950 X6 devices allows remote authenticated users to cause an unspecified temporary denial of service by using privileged access to enable a legacy boot mode.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.80% 0.00800

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

EPSS probability 0.00800

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	0.80% (0.00800)	54.96th	v5 (v2026.06.15)
Jun 15, 2026	0.80% (0.00800)	51.61th	v5 (v2026.06.15)
Mar 17, 2025	0.34% (0.00338)	54.40th	v4 (v2025.03.14)
Dec 12, 2024	0.13% (0.00132)	49.86th	v3 (v2023.03.01)
Jun 14, 2024	0.13% (0.00132)	48.47th	v3 (v2023.03.01)
Mar 7, 2023	0.13% (0.00132)	46.44th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (1)

http://www.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5098278
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://www.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5098278		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner ibm

Published Jun 28, 2015

Updated Aug 6, 2024

Reserved Jul 9, 2014

Link CVE-2014-4768

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2014-4768

Red Hat

Severity n/a

Public date n/a

Links CVE-2014-4768