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…
- 3.6LowCVSS base score
- 1.0%Exploitation in 30 daysEPSS · top 37% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- Fuse 2.9.3-15 - Local Privilege Escalation (Exploit-DB entry) (opens in a new tab)
EDB-ID 37089local, linuxpublished 23 May 2015Verified
References tagged exploit1 reference
- 37089 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By redhat
- 3 months later
· 3 months later
Published
- 9 years later
· 9 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low3.6 | AV:L/AC:L/Au:N/C:N/I:P/A:P |
- EPSS (exploitation in 30 days)
- 1.0% · top 37% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.6.
Affected products
n/a
- affected n/a
References
22
- DSA-3268 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- USN-2617-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- FEDORA-2015-8771 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2015-8782 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2015-8751 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 1032386 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://gist.github.com/taviso/ecb70eb12d461dd85cba (opens in a new tab)x_refsource_MISCx_transferred
- 74765 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2015-8773 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2015:1003 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-3266 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- GLSA-201603-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- USN-2617-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- FEDORA-2015-8777 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2015-8756 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- GLSA-201701-19 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [oss-security] 20150521 CVE-2015-3202 fuse privilege escalation (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2015:0997 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://packetstormsecurity.com/files/132021/Fuse-Local-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
- https://twitter.com/taviso/status/601370527437967360 (opens in a new tab)x_refsource_MISCx_transferred
- 37089 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- USN-2617-3 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-3268 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-3202)Record last updated .