CVE-2009-3525: n/a vulnerability

CVE-2009-3525: The pyGrub boot loader in Xen 3.0.3, 3.3.0, and Xen-3.3.1 does not support the password option in grub.conf...

The pyGrub boot loader in Xen 3.0.3, 3.3.0, and Xen-3.3.1 does not support the password option in grub.conf for para-virtualized guests, which allows attackers with access to the para-virtualized guest console to boot the guest or modify the guest's kernel boot parameters without providing the expected password.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 06:31 UTC (UTC+00:00)

Security readout for executives and security teams

This issue affects old Xen pyGrub handling for para-virtualized guests. A guest console password in grub.conf may not be enforced, so someone who already has guest console access could boot the guest or change kernel boot parameters without the expected password. Exposure is most likely in legacy Xen environments still running the named versions with para-virtualized guests and console access paths enabled. Modern or fully patched Xen deployments are not shown as affected in the supplied sources. Prioritize this for legacy virtualization estates, especially where guest console access is broadly delegated. It is not presented as internet-exploitable, but it can undermine boot integrity controls on affected PV guests. Mitigation focus: Inventory Xen 3.0.3, 3.3.0, and Xen-3.3.1 systems.; Review applicable Red Hat, SUSE, OVAL, and Xen project guidance.; Apply vendor-supported Xen or pyGrub updates where available..

Prepared: Jun 28, 2026, 18:15 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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CVE-2009-3525 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Oct 5, 2009, 19:00 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

3Source 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
oval:org.mitre.oval:def:9466CVE reference · vdb-entry, signature
https://bugzilla.redhat.com/show_bug.cgi?id=525740#c0CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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