CVE-2013-4329

6.5 MEDIUM 0.5% exploit odds Fix listed

What it is

The xenlight library (libxl) in Xen 4.0.x through 4.2.x, when IOMMU is disabled, provides access to a busmastering-capable PCI passthrough device before the IOMMU setup is complete, which allows local HVM guest domains to gain privileges or cause a denial of service via a DMA instruction.

At a glance

Exploitability: Can be exploited from the same network segment with a login. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2013-09-12 18:37 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:57 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.5% in the next 30 days (EPSS).
Severity: 6.5 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2013-09-12 18:37 UTC
Last modified: 2026-06-16 23:57 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-264
Record status: Modified

Affected

Xen 4.0.0
Xen 4.0.1
Xen 4.0.2
Xen 4.0.3
Xen 4.0.4
Xen 4.1.0
Xen 4.1.1
Xen 4.1.2

Attack profile CVSS 2.0 · 6.5

Attack vector: Adjacent network
Complexity: High
Authentication: Single
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:A/AC:H/Au:S/C:C/I:C/A:C

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2013-4329.md and follow it. Check whether this project is affected by CVE-2013-4329. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record