Race condition in mount.vmhgfs in the VMware Host Guest File System (HGFS) in VMware Workstation 7.1.x before 7.1.4, VMware Player 3.1.x bef
Race condition in mount.vmhgfs in the VMware Host Guest File System (HGFS) in VMware Workstation 7.1.x before 7.1.4, VMware Player 3.1.x before 3.1.4, VMware Fusion 3.1.x before 3.1.3, VMware ESXi 3.5 through 4.1, and VMware ESX 3.0.3 through 4.1 allows guest OS users to gain privileges on the guest OS by mounting a filesystem on top of an arbitrary directory.
- Published
- Jun 6, 2011
- Updated
- Jun 16, 2026
- EPSS
- 0.2% · 14th percentile
- CWE
- CWE-362
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Report tools
Action score
27
Monitor
Low priority for now.
- CVSS
- 27 / 40 · 6.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| vmware | workstation | cpe:2.3:a:vmware:workstation |
| vmware | player | cpe:2.3:a:vmware:player |
| vmware | fusion | cpe:2.3:a:vmware:fusion |
| vmware | esx | cpe:2.3:a:vmware:esx |
| vmware | esxi | cpe:2.3:a:vmware:esxi |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- vmware esx3.0.3
- vmware esx3.5
- vmware esx4.0
- vmware esx4.1
- vmware esxi3.5
- vmware esxi4.0
- vmware esxi4.1
- vmware fusion3.1
- vmware fusion3.1.1
- vmware fusion3.1.2
- vmware player3.1
- vmware player3.1.1
- vmware player3.1.2
- vmware player3.1.3
- vmware workstation7.1.1
- vmware workstation7.1.2
- vmware workstation7.1.3
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | open-vm-tools | before 2:8.4.2+2011.08.21-471295-1 | 2:8.4.2+2011.08.21-471295-1 |
Same product
vmware: all recordsOther highest-scoring records for the same primary product.
- CVE-2011-3868Buffer overflow in VMware Workstation 7.x before 7.1.5, VMware Player 3.x before 3.1.5, VMware Fusion 3.1.x before 3.1.3, and VMware AMS all39Monitor
- CVE-2012-3288VMware Workstation 7.x before 7.1.6 and 8.x before 8.0.4, VMware Player 3.x before 3.1.6 and 4.x before 4.0.4, VMware Fusion 4.x before 4.1.38Monitor
- CVE-2012-2450VMware Workstation 8.x before 8.0.3, VMware Player 4.x before 4.0.3, VMware Fusion 4.x before 4.1.2, VMware ESXi 3.5 through 5.0, and VMware37Monitor
- CVE-2012-2449VMware Workstation 8.x before 8.0.3, VMware Player 4.x before 4.0.3, VMware Fusion 4.x through 4.1.2, VMware ESXi 3.5 through 5.0, and VMwar37Monitor
- CVE-2019-5541VMware Workstation (15.x before 15.5.1) and Fusion (11.x before 11.5.1) contain an out-of-bounds write vulnerability in the e1000e virtual n36Monitor
- CVE-2019-5525VMware Workstation (15.x before 15.1.0) contains a use-after-free vulnerability in the Advanced Linux Sound Architecture (ALSA) backend.35Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:open-vm-tools | 2:8.4.2+2011.08.21-471295-1 · Debian:12 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- secunia.com/advisories/44840
- secunia.com/advisories/44904
- www.securityfocus.com/bid/48098
- www.securitytracker.com/id?1025601
- www.vmware.com/security/advisories/VMSA-2011-0009.html
- hermes.opensuse.org/messages/8711677
Vendor advisories and official records. Exploit/PoC links are deliberately left out.