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CVE-2017-4919

23
FAUCET Score

CVE-2017-4919 is a critical vulnerability affecting VMware vCenter Server versions 5.5, 6.0, and 6.5. It allows vSphere users with limited privileges to bypass authentication and access guest operating systems via the VIX API. With a CVSS score of 9.0, this vulnerability has a network-based attack vector, high attack complexity, and can lead to complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, there is some community discussion and media coverage indicating awareness of this flaw.

Impacted Technologies

VendorProductVersion(s)CPE
5.5CPE matchmatch criteria
cpe:2.3:a:vmware:vcenter_server:5.5:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:vmware:vcenter_server:6.0:*:*:*:*:*:*:*
6.5CPE matchmatch criteria
cpe:2.3:a:vmware:vcenter_server:6.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.04%
Probability of exploitation in next 30 days
EPSS Percentile
79.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0204 is in the 77th percentile among its peer group of 201 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.4 Reddit, 1.2 Bluesky, 0.8 Mastodon, and 2.3 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.8 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

vmwareworkaround availablevia nvd_reference
View patch

References

securityfocus.com / bid/100102
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039004
Third Party AdvisoryVDB Entry
vmware.com / security/advisories/VMSA-2017-0012.html
MitigationVendor Advisory