CVE-2019-4169

IBM Open Power Firmware OP910 and OP920 could allow access to BMC via IPMI using default OpenBMC password even after BMC password was changed away from the…

High · published August 26, 2019

CVSS v3.0
8.1
EPSS
2%
Percentile
77.2
In the wild
Unconfirmed
What it is

⚡ A default password that just won’t stay changed! In IBM Open Power Firmware OP910 and OP920, the BMC can still be accessed via IPMI using the original OpenBMC password, even after you've switched it up. 😱 Think of it like trying to change the code to your garage door but the original code still lets anyone in. It doesn’t matter how secure you think it is; the old key still works! An attacker could gain unauthorized access to the Baseboard Management Controller (BMC) and have the power to control hardware settings, monitor system health, and even reboot machines. This scenario could lead to a full-blown compromise of sensitive data and infrastructure if left unchecked!

Put simply

Think of it like trying to change the code to your garage door but the original code still lets anyone in. It doesn’t matter how secure you think it is; the old key still works! This vulnerability allows access to the BMC via IPMI with the default OpenBMC password, despite having changed the password previously. This flaw undermines the effectiveness of the password change, allowing potential unauthorized users to access critical management interfaces.

What to do

An attacker could gain unauthorized access to the Baseboard Management Controller (BMC) and have the power to control hardware settings, monitor system health, and even reboot machines. This scenario could lead to a full-blown compromise of sensitive data and infrastructure if left unchecked! To secure your system, ensure you upgrade to the patched firmware version that fixes this issue. Additionally, consider implementing stricter access controls and regularly audit your BMC settings to catch any anomalies. Don't forget to change that password to something strong! You've got this! Follow these steps, and you'll have your systems locked down in no time. 🛡️

The record
Technical detail
CVSS v3.0
8.1 · HIGH
Vector
CVSS:3.0/S:U/UI:N/C:H/AV:A/I:H/AC:L/A:N/PR:N/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.01710 · 77.2th percentile
Published
2019-08-26T14:40Z
EPSS history
Timeline
  • 26 AUG 14:40Z
    IBM Open Power Firmware OP910 and OP920 could allow access to BMC via IPMI using default OpenBMC password even after BMC password was changed away from the…
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