CVE-2016-9637

Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 16 Feb 2017, 18:00
Last modified:06 Aug 2024, 02:59

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
0.09% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Feb 2017, 18:00
Published
Vulnerability first disclosed
06 Aug 2024, 02:59
Last Modified
Vulnerability information updated

Description

The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest OS administrators to gain qemu process privileges via vectors involving an out-of-range ioport access.

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
  • v2.0•LOW•Score: 3.7AV:L/AC:H/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.09%• Percentile: 25%

Techniques & Countermeasures

  • CWE-264•Permissions, Privileges, and Access Controls

    Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.

Affected Systems

  • citrix•xenserver

    6.0.2 | 6.2.0:sp1 | 6.5:sp1 | 7.0

References (7)