HOMEVULNERABILITIESCVE-2016-9602
HIGH

CVE-2016-9602

CWE-59Published: April 26, 2018· Updated: Jun 17, 2026

7.6
CVSS v3.1

Official Description

Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.

NVD Source

Technical Analysis

CVE-2016-9602 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.6.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityHigh
Privileges Req.High
User InteractionNone
ScopeChanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected Vendors & Products

Debian1 product(s)
debian linux
qemu1 product(s)
qemu
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (16)

http://www.securityfocus.com/bid/95461Third Party Advisory · VDB Entry
http://www.securitytracker.com/id/1037604Third Party Advisory · VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602Issue Tracking · Third Party Advisory
http://www.securityfocus.com/bid/95461Third Party Advisory · VDB Entry
http://www.securitytracker.com/id/1037604Third Party Advisory · VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602Issue Tracking · Third Party Advisory

Quick Facts

CVE IDCVE-2016-9602
CVSS Score7.6 / 10
SeverityHIGH
WeaknessCWE-59
CISA KEVNo
Affected2 vendor(s)
PublishedApr 26, 2018

Related CVEs (CWE-59)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2016-9602 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.