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.

Published: 2010-11-04 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2010-3851 is rated Low Risk (26.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-3851

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2023-03-07 1.55% 0.06% -1.48%
2 2022-02-04 1.55%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-3851

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.7 2.0 MEDIUM
AV:L/AC:M/Au:N/C:C/I:N/A:N Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
3.4 6.9 [email protected]

Weakness enumeration for CVE-2010-3851

OS Trackers for CVE-2010-3851

vendor priority summary link
redhat low https://access.redhat.com/security/cve/CVE-2010-3851

Affected software / configurations for CVE-2010-3851

Vendor Product Version Raw CPE
libguestfs libguestfs <= 1.5.22 cpe:2.3:a:libguestfs:libguestfs:*:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.0 cpe:2.3:a:libguestfs:libguestfs:1.5.0:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.1 cpe:2.3:a:libguestfs:libguestfs:1.5.1:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.2 cpe:2.3:a:libguestfs:libguestfs:1.5.2:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.3 cpe:2.3:a:libguestfs:libguestfs:1.5.3:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.4 cpe:2.3:a:libguestfs:libguestfs:1.5.4:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.5 cpe:2.3:a:libguestfs:libguestfs:1.5.5:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.6 cpe:2.3:a:libguestfs:libguestfs:1.5.6:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.7 cpe:2.3:a:libguestfs:libguestfs:1.5.7:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.8 cpe:2.3:a:libguestfs:libguestfs:1.5.8:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.9 cpe:2.3:a:libguestfs:libguestfs:1.5.9:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.10 cpe:2.3:a:libguestfs:libguestfs:1.5.10:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.11 cpe:2.3:a:libguestfs:libguestfs:1.5.11:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.12 cpe:2.3:a:libguestfs:libguestfs:1.5.12:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.13 cpe:2.3:a:libguestfs:libguestfs:1.5.13:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.14 cpe:2.3:a:libguestfs:libguestfs:1.5.14:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.15 cpe:2.3:a:libguestfs:libguestfs:1.5.15:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.16 cpe:2.3:a:libguestfs:libguestfs:1.5.16:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.17 cpe:2.3:a:libguestfs:libguestfs:1.5.17:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.18 cpe:2.3:a:libguestfs:libguestfs:1.5.18:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.19 cpe:2.3:a:libguestfs:libguestfs:1.5.19:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.20 cpe:2.3:a:libguestfs:libguestfs:1.5.20:*:*:*:*:*:*:*
libguestfs libguestfs 1.5.21 cpe:2.3:a:libguestfs:libguestfs:1.5.21:*:*:*:*:*:*:*

References for CVE-2010-3851

URL Tags
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050237.html Patch
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/050742.html
http://rwmj.wordpress.com/2010/10/23/new-libguestfs-stable-versions/
http://secunia.com/advisories/41797 Vendor Advisory
http://secunia.com/advisories/42235
http://www.redhat.com/support/errata/RHSA-2011-0586.html
http://www.securityfocus.com/bid/44166
http://www.vupen.com/english/advisories/2010/2874 Vendor Advisory
http://www.vupen.com/english/advisories/2010/2963
https://bugzilla.redhat.com/show_bug.cgi?id=643958
https://www.redhat.com/archives/libguestfs/2010-October/msg00036.html
https://www.redhat.com/archives/libguestfs/2010-October/msg00037.html
https://www.redhat.com/archives/libguestfs/2010-October/msg00041.html Patch
cvelogic Threat Intelligence