CVE-2013-4154
MEDIUM · CVSS 4.3EPSS 2.2%EU EUVD
The qemuAgentCommand function in libvirt before 1.1.1, when a guest agent is not configured, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to "agent based cpu (un)plug," as demonstrated by the "virsh vcpucount foobar --guest" command.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- EPSS score
- 2.2% (83th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-4080)
- Published
- September 30, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-4080 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- redhat / libvirt
- redhat / libvirt
- redhat / libvirt
- redhat / libvirt
- redhat / libvirt
- redhat / libvirt
- redhat / libvirt
- redhat / libvirt
References
- http://libvirt.org/git/?p=libvirt.git%3Ba=commitdiff%3Bh=96518d4316b711c72205117f8d5c967d5127bbb6
- http://libvirt.org/news.html
- http://openwall.com/lists/oss-security/2013/07/19/12(Patch)
- https://bugzilla.redhat.com/show_bug.cgi?id=984821(Exploit)
- https://bugzilla.redhat.com/show_bug.cgi?id=986386(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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