BMC root account active without password on BullSequana XH3406 and XH3515

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-15679
StatePUBLISHED
AssignerBull
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 09:17:20 UTC
Updated2026-09-11 16:17:04 UTC
DescriptionUnder certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515.

Risk And Classification

Primary CVSS: v4.0 7.3 HIGH from 5bcc34ac-0282-4e8a-96fc-046c583d3048

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:N/R:U/V:C/RE:L/U:Clear

EPSS: 0.001110000 probability, percentile 0.014780000 (date 2026-09-14)

Problem Types: CWE-258 | CWE-258 CWE-258 Empty password in configuration file

VersionSourceTypeScoreSeverityVector
4.05bcc34ac-0282-4e8a-96fc-046c583d3048Secondary7.3HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:P/C...
4.0CNACVSS7.3HIGHCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:P/S...

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
Low
Sub Integrity
Low
Sub Availability
Low

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:N/R:U/V:C/RE:L/U:Clear

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Bull BullSequana XH3406 affected TS 04.05 custom Not specified
CNA Bull BullSequana XH3515 affected TS 43.01 custom Not specified

References

ReferenceSourceLinkTags
myatos.my.site.com/psmcustomer/s/contentdocument/069ci00000eNzLYAA0 5bcc34ac-0282-4e8a-96fc-046c583d3048 myatos.my.site.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Apply one of the fixed Technical state mentionned above.

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