CVE-2010-3879

Exp

FUSE, possibly 2.8.5 and earlier, allows local users to create mtab entries with arbitrary pathnames, and consequently unmount any filesystem, via a symlink attack on the parent directory of the mountpoint of a FUSE filesystem, a different vulnerability than CVE-2010-0789.

Published: 2011-01-22 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-3879 is rated High Exploit Risk (76.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 9.85%, 95th percentile). 10 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +7.17% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2010-3879

EDB-ID Source Kind Published Link
34953 exploit_db edb 2010-11-02 Exploit-DB ↗
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Exploit prediction scoring system (EPSS) score for CVE-2010-3879

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 2026-06-15 2.68% 9.85% +7.17%
2 2026-04-12 2.05% 2.68% +0.63%
3 2025-10-01 — 2.05% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-3879

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
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.
 8.6 4.9 [email protected]

Weakness enumeration for CVE-2010-3879

OS Trackers for CVE-2010-3879

vendor priority summary link
debian not yet assigned CVE-2010-3879 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-2010-3879
redhat low — https://access.redhat.com/security/cve/CVE-2010-3879
ubuntu medium CVE-2010-3879 medium priority: Ubuntu including 2 source packages (fuse, util-linux), 12 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): released 8, ignored 2, needs-triage 2. https://ubuntu.com/security/CVE-2010-3879

Affected software / configurations for CVE-2010-3879

Vendor Product Version Raw CPE
libfuse_project libfuse <= 2.8.5 cpe:2.3:a:libfuse_project:libfuse:*:*:*:*:*:*:*:*

References for CVE-2010-3879

URL Tags
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=602333 Exploit Patch Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053792.html Third Party Advisory
http://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077247.html Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html Third Party Advisory
http://openwall.com/lists/oss-security/2010/11/04/8 Exploit Mailing List Third Party Advisory
http://openwall.com/lists/oss-security/2010/11/05/2 Exploit Mailing List Third Party Advisory
http://osvdb.org/70520 Broken Link
http://secunia.com/advisories/42961 Third Party Advisory
http://secunia.com/advisories/42965 Third Party Advisory
http://www.halfdog.net/Security/FuseTimerace/ Exploit Patch Third Party Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2013:155 Third Party Advisory
http://www.securityfocus.com/bid/44623 Exploit Third Party Advisory VDB Entry
http://www.ubuntu.com/usn/USN-1045-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-1045-2 Third Party Advisory
http://www.vupen.com/english/advisories/2011/0181 Permissions Required
http://www.vupen.com/english/advisories/2011/0302 Permissions Required
https://bugs.launchpad.net/bugs/670622 Exploit Third Party Advisory
https://bugzilla.novell.com/show_bug.cgi?id=651598 Exploit Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=651183 Exploit Issue Tracking Patch
https://exchange.xforce.ibmcloud.com/vulnerabilities/62986 Third Party Advisory VDB Entry
cvelogic Threat Intelligence