Servers and applications
CVE-2013-4554
Xen 3.0.3 through 4.1.x (possibly 4.1.6.1), 4.2.x (possibly 4.2.3), and 4.3.x (possibly 4.3.1) does not properly prevent access to hypercalls, which allows local guest users to gain privileges via a crafted application running in ring 1 or 2.
- Severity
- Medium 5.2
- Published
- 24 Dec 2013
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 0.6% in the next 30 daysHigher than 49% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- CWE-264
- Attack
- From the same local network · Needs a login
- Attacker can
- Read some data · Change some data · Slow it down
- CVSS vector
AV:A/AC:L/Au:S/C:P/I:P/A:P- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
XenServers and applications · cpe:o:xen:xen |
All 34 release lines
|