CVE-2018-16867

A flaw was found in qemu Media Transfer Protocol (MTP) before version 3.1.0. A path traversal in...

7.0 HighFix available

A flaw was found in qemu Media Transfer Protocol (MTP) before version 3.1.0. A path traversal in the in usb_mtp_write_data function in hw/usb/dev-mtp.c due to an improper filename sanitization. When the guest device is mounted in read-write mode, this allows to read/write arbitrary files which may lead do DoS scenario OR possibly lead to code execution on the host.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: High

Exploit likelihood

0.42%Down 1.8 points since Apr 14, 2021

What each source reports

CVE List Score used 7.0

Record: CVE-2018-16867
CVSS 3.0: 7.0 HighCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
Weakness: CWE-362
Updated: 2026-11-02

EUVDEUVD-2018-8658 7.0

Record: EUVD-2018-8658
CVSS 3.0: 7.0 HighCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6ch3-xhrw-w89m 7.8

A flaw was found in qemu Media Transfer Protocol (MTP) before version 3.1.0. A path traversal in...

Record: GHSA-6ch3-xhrw-w89m
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-362
Updated: 2026-11-02

NVD 7.8

Record: CVE-2018-16867
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 3.0: 7.0 HighCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H
CVSS 2.0: 4.4 MediumAV:L/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-362
Updated: 2026-11-02

OSVBELL-CVE-2018-16867 7.8

CVE-2018-16867 does not affect BellSoft software

Record: BELL-CVE-2018-16867
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

OSV 7.8

Record: CVE-2018-16867
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2018-16867 7.8

Record: DEBIAN-CVE-2018-16867
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`qemu` Debian:12	before 1:3.1+dfsg-1	1:3.1+dfsg-1
`qemu` Debian:13	before 1:3.1+dfsg-1	1:3.1+dfsg-1
`qemu` Debian:14	before 1:3.1+dfsg-1	1:3.1+dfsg-1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-16867 is a high vulnerability (CVSS 7.0) in Qemu, published December 12, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. Fixed in qemu 1:3.1+dfsg-1.

References

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