CVE-2015-4265: Cisco Ucs B-Series Blade Server Software

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

Cisco Unified Computing System (UCS) B Blade Server Software 2.2.x before 2.2.6 allows local users to cause a denial of service (host OS or BMC hang) by sending crafted packets over the Inter-IC (I2C) bus, aka Bug ID CSCuq77241.

Affected products

• Cisco Ucs B-Series Blade Server Software: version 2.2(1b) only; version 2.2(1c) only; version 2.2(1d) only; version 2.2(1e) only; version 2.2(1f) only; version 2.2(1g) only; …

Published 2015-10-12. Last modified 2026-06-17.