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CVE-2018-6957· NVD / CVE Program· CNA vmware

VMware Workstation (14.x before 14.1.1, 12.x) and Fusion (10.x before 10.1.1 and 8.x) contain a denial-of-service vulnerability which can be

VMware Workstation (14.x before 14.1.1, 12.x) and Fusion (10.x before 10.1.1 and 8.x) contain a denial-of-service vulnerability which can be triggered by opening a large number of VNC sessions. Note: In order for exploitation to be possible on Workstation and Fusion, VNC must be manually enabled.

MediumCVSS 5.3 · v3.0—No exploit No fix recorded
Published
Mar 15, 2018
Updated
Jun 16, 2026
EPSS
1.6% · 75th percentile
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Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 1.6%

Affected systems

VendorProduct
vmwareworkstation pro
vmwareworkstation player
vmwarefusion

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • vmware fusion10.0 and later · before 10.1.1
  • vmware fusion8.0
  • vmware fusion8.0.1
  • vmware fusion8.0.2
  • vmware fusion8.1
  • vmware fusion8.1.1
  • vmware fusion8.5
  • vmware fusion8.5.1
  • vmware fusion8.5.2
  • vmware fusion8.5.3
  • vmware fusion8.5.4
  • vmware fusion8.5.5
  • vmware fusion8.5.6
  • vmware fusion8.5.7
  • vmware fusion8.5.8
  • vmware workstation player14.0 and later · before 14.1.1
  • vmware workstation player12.0
  • vmware workstation player12.0.1
  • vmware workstation player12.1
  • vmware workstation player12.1.1

Versions reported by the vendor

Affected version ranges reported by the assigning authority (vmware). Independent of NVD's CPE analysis and usually ahead of it.

  • VMware Fusion

    • 10.x before 10.1.1, 8.xaffected

  • VMware Workstation

    • 14.x before 14.1.1, 12.xaffected

Same product

vmware: all records

Other highest-scoring records for the same primary product.

  • CVE-2017-4933VMware ESXi (6.5 before ESXi650-201710401-BG), Workstation (12.x before 12.5.8), and Fusion (8.x before 8.5.9) contain a vulnerability that
    36Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

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.

EPSS, last 120 days

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 researchers

Finders, 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

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

CWE-772 · Missing Release of Resource after Effective Lifetime

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

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)

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 help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records