CVE-2025-15679

BMC root account active without password on BullSequana XH3406 and XH3515

Published Sep 11, 2026 CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
Description
Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515.

Remediation

Vendor Solution

Apply one of the fixed Technical state mentionned above.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Bull
Bull bullsequana Xh3406
Bull bullsequana Xh3515
Vendors & Products Bull
Bull bullsequana Xh3406
Bull bullsequana Xh3515
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password. Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password on BullSequana XH3406 and XH3515.
Title BMC root account active without password BMC root account active without password on BullSequana XH3406 and XH3515
Type Values Removed Values Added
Description Under certain circumstances such as reset to factory default operation, the BMC root account is made active without a password.
Title BMC root account active without password
Weaknesses CWE-258
References
Metrics cvssV4_0

{'score': 7.3, 'vector': '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/S:P/AU:N/R:U/V:C/RE:L/U:Clear'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Bull
Published
Updated
Sep 11, 2026, 3:25 PM
Reserved
Aug 4, 2026, 11:26 AM
Status
Deferred
Published
Sep 11, 2026, 9:17 AM
Modified
Oct 14, 2026, 7:10 PM