CVE-2015-2152: n/a vulnerability

CVE-2015-2152: Xen 4.5.x and earlier enables certain default backends when emulating a VGA device for an x86 HVM guest qem...

Xen 4.5.x and earlier enables certain default backends when emulating a VGA device for an x86 HVM guest qemu even when the configuration disables them, which allows local guest users to obtain access to the VGA console by (1) setting the DISPLAY environment variable, when compiled with SDL support, or connecting to the VNC server on (2) ::1 or (3) 127.0.0.1, when not compiled with SDL support.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 05:10 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw affects older Xen virtualization setups. A guest user may reach a VGA console that administrators believed was disabled. The business risk is unauthorized console access inside affected virtualized environments, not a confirmed internet-wide remote takeover based on the provided sources. Exposure is most likely on legacy Xen hosts running 4.5.x or earlier with x86 HVM guests using VGA emulation. Environments without Xen, without HVM guests, or already migrated to maintained vendor packages are less likely exposed. Prioritize remediation for production or multi-tenant Xen environments, especially where guest users are not fully trusted. The issue is old and not KEV-listed, but unintended console access can undermine isolation assumptions. Mitigation focus: Review Xen XSA-119 and the relevant OS vendor advisory for supported remediation.; Apply vendor-provided Xen or qemu updates where available for the deployed platform.; Retire or isolate Xen 4.5.x and earlier hosts if updates are unavailable..

Prepared: Jun 14, 2026, 05:11 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Mar 18, 2015, 16:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
GLSA-201504-04CVE reference · vendor-advisory, x_refsource_GENTOO

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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