CVE Tools
Sign in

CVE-2015-3456

Published: May 13, 2015Updated: May 6, 2026 Sources: CVE List NVDCWE-119
NVD MITRE
7.7CVSSHIGH
EPSS Score
15.3%
Top 3.7%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

Description

The Floppy Disk Controller (FDC) in QEMU, as used in Xen 4.5.x and earlier and KVM, allows local guest users to cause a denial of service (out-of-bounds write and guest crash) or possibly execute arbitrary code via the (1) FD_CMD_READ_ID, (2) FD_CMD_DRIVE_SPECIFICATION_COMMAND, or other unspecified commands, aka VENOM.

CVSS Vector Breakdown

AV:AAC:LAu:SC:CI:CA:C
Exploitability
AV:AAccess Vector
Adjacent Network
AC:LAccess Complexity
Low
Au:SAuthentication
Single
Impact
C:CConfidentiality
Complete
I:CIntegrity
Complete
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

CWE-119

Affected Products

n/an/a
qemuqemu
On-prem
Cloud & SaaS / virtualization
enterprise virtualizationredhat
On-prem
Operating Systems / linux-distro
openstackredhat
On-prem
Operating Systems / linux-distro
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
qemuoss-projectUSCloud & SaaS
redhatcommercialUSOperating Systemsaka red hat
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.exploit-db.com/exploits/37053/
exploit-db.com
http://www.securitytracker.com/id/1032306
securitytracker.com
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
oracle.com
and 45 more references View all →

Timeline

Published
May 13, 2015
Last Updated
May 6, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2015-3456 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows