UpHeron
All vulnerabilities

Servers and applications

CVE-2012-1515

VMware ESXi 3.5, 4.0, and 4.1 and ESX 3.5, 4.0, and 4.1 do not properly implement port-based I/O operations, which allows guest OS users to gain guest OS privileges by overwriting memory locations in a read-only memory block associated with the Virtual DOS Machine.

Severity
High 8.3
Published
2 Apr 2012
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
Weakness
CWE-264
Attack
From the same local network · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:A/AC:L/Au:N/C:C/I:C/A:C
Sources
NVD

Affected software

SoftwareAffected versions
VMware ESXiServers and applications · cpe:o:vmware:esxi
  • Version 3.5
  • Version 4.0
  • Version 4.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-1515
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-1515