CVE-2017-4943

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Summary

CVECVE-2017-4943
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-12-20 15:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionVMware vCenter Server Appliance (vCSA) (6.5 before 6.5 U1d) contains a local privilege escalation vulnerability via the 'showlog' plugin. Successful exploitation of this issue could result in a low privileged user gaining root level privileges over the appliance base OS.

Risk And Classification

Primary CVSS: v3.0 7.8 HIGH from [email protected]

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

EPSS: 0.000340000 probability, percentile 0.099780000 (date 2026-05-18)

Problem Types: CWE-787 | Privilege escalation vulnerability

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary7.8HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Vmware Vcenter Server 6.5 a All All
Application Vmware Vcenter Server 6.5 b All All
Application Vmware Vcenter Server 6.5 c All All
Application Vmware Vcenter Server 6.5 d All All
Application Vmware Vcenter Server 6.5 e All All
Application Vmware Vcenter Server 6.5 f All All
Application Vmware Vcenter Server 6.5 update1 All All
Application Vmware Vcenter Server 6.5 update1b All All
Application Vmware Vcenter Server 6.5 update1c All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA VMware VCenter Server Appliance VCSA affected 6.5 before 6.5 U1d Not specified

References

ReferenceSourceLinkTags
VMware vCenter Server Appliance Bug in 'showlog' Plugin Lets Local Users Obtain Root Privileges - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
VMSA-2017-0021 af854a3a-2127-422b-91ae-364da2661108 www.vmware.com Patch, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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