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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…
High8.3EPSS 0.81%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High8.3 | AV:A/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.81% · top 43% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.3.
Weakness
Affected products
n/a
- affected n/a
References (8)
- TA12-164A (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- MS12-042 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 52820 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- oval:org.mitre.oval:def:17110 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://www.vmware.com/security/advisories/VMSA-2012-0006.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:15209 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 1026875 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- vmware-esxserver-io-privilege-escalation(74480) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .