BMC root account active without password on BullSequana XH3406 and XH3515
Priority LOW 33CWE-258Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00158 5th percentileScored 2026-11-07
Fix Fixed BullSequana XH3406 (Bull): TS 04.05BullSequana XH3515 (Bull): TS 43.01
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA BullSequana XH3406 (Bull) Fixed in TS 04.05
- Fix · CNA BullSequana XH3515 (Bull) Fixed in TS 43.01
Timeline
- 2026-10-02 Threatist record created from CVE-2025-15679
- 2026-10-03 Alias added: GHSA-g65q-w5wj-wm56
References
Sources
- CVE-2025-15679 · CVE Program
- CVE-2025-15679 · NVD
- FIRST EPSS
- GHSA-g65q-w5wj-wm56 · GitHub Advisory Database · CC BY 4.0
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