CVE-2010-0789

fusermount in FUSE before 2.7.5, and 2.8.x before 2.8.2, allows local users to unmount an arbitrary FUSE filesystem share via a symlink attack on a mountpoint.

Published: 2010-03-02 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-0789 is rated Low Risk (20/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.06%). 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-2010-0789

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 2026-04-12 0.03% 0.06% +0.03%
2 2026-02-26 0.06% 0.03% -0.03%
3 2025-07-13 — 0.06% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-0789

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.3 2.0 LOW
AV:L/AC:M/Au:N/C:N/I:P/A:P 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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.4 4.9 [email protected]

Weakness enumeration for CVE-2010-0789

OS Trackers for CVE-2010-0789

vendor priority summary link
debian not yet assigned CVE-2010-0789 not yet assigned priority: Debian including 1 source packages (fuse), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2010-0789
redhat low — https://access.redhat.com/security/cve/CVE-2010-0789
ubuntu medium CVE-2010-0789 medium priority: Ubuntu including 1 source packages (fuse), 6 status rows across 6 suites (dapper, hardy, intrepid, jaunty, karmic, upstream): released 5, needs-triage 1. https://ubuntu.com/security/CVE-2010-0789

Vendor comments (NVD) for CVE-2010-0789

  • Red Hat (2010-04-07T00:00:00)

    Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2010-0789 This issue affects Red Hat Enterprise Linux 5 because it ships fusermount suid root, however the impact of this flaw is minimized due to the fact that only members in group fuse may use it the executable is owned root:fuse and mode 4750. Red Hat Enterprise Linux 3 and 4 do not provide the fuse package. The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/

Affected software / configurations for CVE-2010-0789

Vendor Product Version Raw CPE
fuse fuse 1.9 cpe:2.3:a:fuse:fuse:1.9:*:*:*:*:*:*:*
fuse fuse 2.0 cpe:2.3:a:fuse:fuse:2.0:pre0:*:*:*:*:*:*
fuse fuse 2.0 cpe:2.3:a:fuse:fuse:2.0:pre1:*:*:*:*:*:*
fuse fuse 2.1 cpe:2.3:a:fuse:fuse:2.1:*:*:*:*:*:*:*
fuse fuse 2.2 cpe:2.3:a:fuse:fuse:2.2:*:*:*:*:*:*:*
fuse fuse 2.2.1 cpe:2.3:a:fuse:fuse:2.2.1:*:*:*:*:*:*:*
fuse fuse 2.3 cpe:2.3:a:fuse:fuse:2.3:pre:*:*:*:*:*:*
fuse fuse 2.3 cpe:2.3:a:fuse:fuse:2.3:rc1:*:*:*:*:*:*
fuse fuse 2.3.0 cpe:2.3:a:fuse:fuse:2.3.0:*:*:*:*:*:*:*
fuse fuse 2.4.0 cpe:2.3:a:fuse:fuse:2.4.0:*:*:*:*:*:*:*
fuse fuse 2.4.1 cpe:2.3:a:fuse:fuse:2.4.1:*:*:*:*:*:*:*
fuse fuse 2.4.2 cpe:2.3:a:fuse:fuse:2.4.2:*:*:*:*:*:*:*
fuse fuse 2.5.0 cpe:2.3:a:fuse:fuse:2.5.0:*:*:*:*:*:*:*
fuse fuse 2.5.1 cpe:2.3:a:fuse:fuse:2.5.1:*:*:*:*:*:*:*
fuse fuse 2.5.2 cpe:2.3:a:fuse:fuse:2.5.2:*:*:*:*:*:*:*
fuse fuse 2.5.3 cpe:2.3:a:fuse:fuse:2.5.3:*:*:*:*:*:*:*
fuse fuse 2.6.0 cpe:2.3:a:fuse:fuse:2.6.0:*:*:*:*:*:*:*
fuse fuse 2.6.1 cpe:2.3:a:fuse:fuse:2.6.1:*:*:*:*:*:*:*
fuse fuse 2.6.3 cpe:2.3:a:fuse:fuse:2.6.3:*:*:*:*:*:*:*
fuse fuse 2.6.5 cpe:2.3:a:fuse:fuse:2.6.5:*:*:*:*:*:*:*
fuse fuse 2.7.0 cpe:2.3:a:fuse:fuse:2.7.0:*:*:*:*:*:*:*
fuse fuse 2.7.1 cpe:2.3:a:fuse:fuse:2.7.1:*:*:*:*:*:*:*
fuse fuse 2.7.2 cpe:2.3:a:fuse:fuse:2.7.2:*:*:*:*:*:*:*
fuse fuse 2.7.3 cpe:2.3:a:fuse:fuse:2.7.3:*:*:*:*:*:*:*
fuse fuse 2.7.4 cpe:2.3:a:fuse:fuse:2.7.4:*:*:*:*:*:*:*

References for CVE-2010-0789

URL Tags
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=567633
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/034518.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/034580.html
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
http://secunia.com/advisories/38261 Vendor Advisory
http://secunia.com/advisories/38287 Vendor Advisory
http://secunia.com/advisories/38359 Vendor Advisory
http://secunia.com/advisories/38437 Vendor Advisory
http://sourceforge.net/projects/fuse/files/ReleaseNotes/fuse-2.8.3.html/view
http://sourceforge.net/projects/fuse/files/fuse-2.X/2.7.5/fuse-2.7.5.tar.gz/download Patch
http://www.debian.org/security/2010/dsa-1989 Patch
http://www.securityfocus.com/bid/37983 Patch
http://www.ubuntu.com/usn/USN-892-1
http://www.vupen.com/english/advisories/2010/1107
https://bugzilla.redhat.com/show_bug.cgi?id=532940 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=558833
https://exchange.xforce.ibmcloud.com/vulnerabilities/55945
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