Vulnerability Report

CVE-2015-3202

Title: Fuse Project Fuse

Other

Proof Of Concept

PoC Available for CVE-2015-3202

CWE Category CWE-264

Published Date Jul 02, 2015

Modified Date Jun 17, 2026

Exploit Status Available

Score 3.6 CVSS v2.0

Exploit Probability (EPSS)

1.01%

Vulnerability Summary

CVE-2015-3202: fusermount in FUSE before 2.9.3-15 does not properly clear the environment before invoking (1) mount or (2) umount as root, which allows local users to write to arbitrary files via a crafted LIBMOUNT_MTAB environment variable that is used by mount's debugging feature.

Impacted Vendors

Reference Links

http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159298.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159543.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159683.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159831.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160094.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160106.html http://lists.opensuse.org/opensuse-updates/2015-06/msg00005.html http://lists.opensuse.org/opensuse-updates/2015-06/msg00007.html http://packetstormsecurity.com/files/132021/Fuse-Local-Privilege-Escalation.html http://www.debian.org/security/2015/dsa-3266 http://www.debian.org/security/2015/dsa-3268 http://www.openwall.com/lists/oss-security/2015/05/21/9 http://www.securityfocus.com/bid/74765 http://www.securitytracker.com/id/1032386 http://www.ubuntu.com/usn/USN-2617-1 http://www.ubuntu.com/usn/USN-2617-2 http://www.ubuntu.com/usn/USN-2617-3 https://gist.github.com/taviso/ecb70eb12d461dd85cba https://security.gentoo.org/glsa/201603-04 https://security.gentoo.org/glsa/201701-19 https://twitter.com/taviso/status/601370527437967360 https://www.exploit-db.com/exploits/37089/ http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159298.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159543.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159683.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/159831.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160094.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160106.html http://lists.opensuse.org/opensuse-updates/2015-06/msg00005.html http://lists.opensuse.org/opensuse-updates/2015-06/msg00007.html http://packetstormsecurity.com/files/132021/Fuse-Local-Privilege-Escalation.html http://www.debian.org/security/2015/dsa-3266 http://www.debian.org/security/2015/dsa-3268 http://www.openwall.com/lists/oss-security/2015/05/21/9 http://www.securityfocus.com/bid/74765 http://www.securitytracker.com/id/1032386 http://www.ubuntu.com/usn/USN-2617-1 http://www.ubuntu.com/usn/USN-2617-2 http://www.ubuntu.com/usn/USN-2617-3 https://gist.github.com/taviso/ecb70eb12d461dd85cba https://security.gentoo.org/glsa/201603-04 https://security.gentoo.org/glsa/201701-19 https://twitter.com/taviso/status/601370527437967360 https://www.exploit-db.com/exploits/37089/

CVSS v2.0

Source Entity [email protected]

Severity LOW

3.6

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:N/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-3202 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/37089

View Code

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

July 02, 2015 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:L/AC:L/Au:N/C:N/I:P/A:P

Affected Stack

No specific products linked.