Servers and applications
CVE-2013-4551
Xen 4.2.x and 4.3.x, when nested virtualization is disabled, does not properly check the emulation paths for (1) VMLAUNCH and (2) VMRESUME, which allows local HVM guest users to cause a denial of service (host crash) via unspecified vectors related to "guest VMX instruction execution."
- Severity
- Medium 5.7
- Published
- 18 Nov 2013
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 0.8% in the next 30 daysHigher than 57% of CVEs. EPSS by FIRST, 12 Nov 2026
- Attack
- From the same local network · No login needed
- Attacker can
- Take it down
- CVSS vector
AV:A/AC:M/Au:N/C:N/I:N/A:C- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
XenServers and applications · cpe:o:xen:xen |
|