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Vulnerabilities

Threat intelligence · CVE-2015-3456

VENOM: VM Escape (virtual floppy drive 0day) VENOM, CVE-2015-3456, is a security vulnerability in the virtual floppy drive code used by many computer virtualization pl…

Published May 13, 2015 · the affected product

Last checked Oct 31, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2015-3456 is not in CISA KEV. FIRST estimates a 15.28% chance of exploitation in the next 30 days. Check whether you run the affected product.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
15.28%
Remediation
Not established
Affected products
See sources for product scope

VENOM: VM Escape (virtual floppy drive 0day) VENOM, CVE-2015-3456, is a security vulnerability in the virtual floppy drive code used by many computer virtualization platforms. This vulnerability may allow an attacker to escape from the confines of an affected virtual machine (VM) guest and potentially obtain code-execution access to the host. Absent mitigation, this VM escape could open access to the host system and

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2015-3456

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2015-3456 is not in CISA KEV. FIRST estimates a 15.28% chance of exploitation in the next 30 days. Check whether you run the affected product.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 15.28%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 13, 2015 · AlienVault OTX

    Detected

    VENOM: VM Escape (virtual floppy drive 0day) VENOM, CVE-2015-3456, is a security vulnerability in the virtual floppy drive code used by many computer virtualization platforms. This vulnerability may allow an attacker to escape from the confines of an affected virtual machine (VM) guest and potentially obtain code-execution access to the host. Absent mitigation, this VM escape could open access to

Sources

References

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 31, 2026
  • AlienVault OTXOct 31, 2026