How severe is CVE-2007-6207?

CVE-2007-6207 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2007-6207 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6207?

CVE-2007-6207 affects Xensource Inc Xen. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-6207?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-6207 published?

CVE-2007-6207 was published on 2007-12-04 and last updated on 2026-06-16.

CVE-2007-6207

CVE-2007-6207 is a low-severity vulnerability in Xensource Inc Xen with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Xensource Inc Xen
Published: 2007-12-04
Last modified: 2026-06-16

Description

Xen 3.x, possibly before 3.1.2, when running on IA64 systems, does not check the RID value for mov_to_rr, which allows a VTi domain to read memory of other domains.

Frequently asked questions

What is CVE-2007-6207?: Xen 3.x, possibly before 3.1.2, when running on IA64 systems, does not check the RID value for mov_to_rr, which allows a VTi domain to read memory of other domains.
How severe is CVE-2007-6207?: CVE-2007-6207 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2007-6207 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-6207?: CVE-2007-6207 affects Xensource Inc Xen. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-6207?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-6207 published?: CVE-2007-6207 was published on 2007-12-04 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:xensource_inc:xen:*:*:*:*:*:*:*:*

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