How severe is CVE-2010-3851?

CVE-2010-3851 has a CVSS 2.0 base score of 4.7, rated medium severity.

Is CVE-2010-3851 being actively exploited?

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

What products are affected by CVE-2010-3851?

CVE-2010-3851 primarily affects Libguestfs. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-3851?

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

When was CVE-2010-3851 published?

CVE-2010-3851 was published on 2010-11-04 and last updated on 2026-06-16.

CVE-2010-3851

CVE-2010-3851 is a medium-severity vulnerability in Libguestfs with a CVSS 2.0 base score of 4.7. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.7)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Libguestfs
Published: 2010-11-04
Last modified: 2026-06-16

Description

libguestfs before 1.5.23, as used in virt-v2v, virt-inspector 1.5.3 and earlier, and possibly other products, when a raw-format disk image is used, allows local guest OS administrators to read files from the host via a crafted (1) qcow2, (2) VMDK, or (3) VDI header, related to lack of support for a disk format specifier.

Frequently asked questions

What is CVE-2010-3851?: libguestfs before 1.5.23, as used in virt-v2v, virt-inspector 1.5.3 and earlier, and possibly other products, when a raw-format disk image is used, allows local guest OS administrators to read files from the host via a crafted (1) qcow2, (2) VMDK, or (3) VDI header, related to lack of support for a disk format specifier.
How severe is CVE-2010-3851?: CVE-2010-3851 has a CVSS 2.0 base score of 4.7, rated medium severity.
Is CVE-2010-3851 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3851?: CVE-2010-3851 primarily affects Libguestfs. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-3851?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-3851 published?: CVE-2010-3851 was published on 2010-11-04 and last updated on 2026-06-16.

References

Affected products (23)

cpe:2.3:a:libguestfs:libguestfs:*:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.3:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.4:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.5:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.6:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.7:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.8:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.9:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.10:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.11:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.12:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.13:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.14:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.15:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.16:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.17:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.18:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.19:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.20:*:*:*:*:*:*:*
cpe:2.3:a:libguestfs:libguestfs:1.5.21:*:*:*:*:*:*:*

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