All vulnerabilities

Servers and applications

CVE-2015-2152

Xen 4.5.x and earlier enables certain default backends when emulating a VGA device for an x86 HVM guest qemu even when the configuration disables them, which allows local guest users to obtain access to the VGA console by (1) setting the DISPLAY environment variable, when compiled with SDL support, or connecting to the VNC server on (2) ::1 or (3) 127.0.0.1, when not compiled with SDL support.

Severity
Low 1.9
Published
18 Mar 2015
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.4% in the next 30 daysHigher than 36% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
CWE-264
Attack
Needs local access · No login needed
Attacker can
Change some data
CVSS vector
AV:L/AC:M/Au:N/C:N/I:P/A:N
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Every version up to 4.5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2015-2152
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2015-2152