Vulnerability Monitor

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CVE-2015-5281

The grub2 package before 2.02-0.29 in Red Hat Enterprise Linux (RHEL) 7, when used on UEFI systems, allows local users to bypass intended Secure Boot restrictions and execute non-verified code via a crafted (1) multiboot or (2) multiboot2 module in the configuration file or physically proximate attackers to bypass intended Secure Boot restrictions and execute non-verified code via the (3) boot menu.

Security Impact Summary

CVE-2015-5281 is a security vulnerability that . Impacting 1 product from redhat organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-11-24T20:59:04.247

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 2.6 (LOW)

CVSSv2 Vector

AV:L/AC:H/Au:N/C:P/I:P/A:N

Access Vector: LOCAL
Access Complexity: HIGH
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

1.9

Impact Score

4.9

Weaknesses

Type: Primary
CWE-264

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	redhat	enterprise_linux	7.0	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172611.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172942.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-2401.html Vendor Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html ([email protected])
http://www.securityfocus.com/bid/77983 ([email protected])
http://www.securitytracker.com/id/1034198 ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1264103 ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172611.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172942.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-2401.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/77983 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1034198 (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1264103 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For redhat's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.