CVE-2025-15679: CWE-258 Empty password in configuration file in Bull BullSequana XH3406
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.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2025-15679 involves the Baseboard Management Controller (BMC) root account on BullSequana XH3406 devices being enabled without a password under specific conditions like a factory reset. This is classified under CWE-258 (Use of Empty Password) and can lead to unauthorized local access with high impact on confidentiality, integrity, and availability. No official patch or remediation details are provided in the available data.
Potential Impact
An attacker with local access could gain root-level control over the BMC without authentication, potentially compromising system management functions. The vulnerability impacts confidentiality, integrity, and availability with high severity, as indicated by the CVSS vector. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should avoid performing factory resets in untrusted environments and restrict physical or local access to the affected devices to prevent exploitation.
CVE-2025-15679: CWE-258 Empty password in configuration file in Bull BullSequana XH3406
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.
CVSS v4.0
Score 7.3high
Affected software
Bull
BullSequana XH3406
Bull
BullSequana XH3515
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2025-15679 involves the Baseboard Management Controller (BMC) root account on BullSequana XH3406 devices being enabled without a password under specific conditions like a factory reset. This is classified under CWE-258 (Use of Empty Password) and can lead to unauthorized local access with high impact on confidentiality, integrity, and availability. No official patch or remediation details are provided in the available data.
Potential Impact
An attacker with local access could gain root-level control over the BMC without authentication, potentially compromising system management functions. The vulnerability impacts confidentiality, integrity, and availability with high severity, as indicated by the CVSS vector. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should avoid performing factory resets in untrusted environments and restrict physical or local access to the affected devices to prevent exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Bull
- Date Reserved
- 2026-08-04T11:26:59.448Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aa3bcb391cc7f3848e5cf4d
Added to database: 09/11/2026, 08:32:51 UTC
Last enriched: 09/11/2026, 08:47:01 UTC
Last updated: 09/11/2026, 16:03:31 UTC
Views: 10
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