CVE-2017-3765

In Enterprise Networking Operating System (ENOS) in Lenovo and IBM RackSwitch and BladeCenter products, an authentication bypass known as "HP Backdoor" was discovered during a Lenovo security audit in the serial console, Telnet, SSH, and Web interfaces. This bypass mechanism can be accessed when performing local authentication under specific circumstances. If exploited, admin-level access to the switch is granted.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7 HIGH
LOCAL
HIGH
LOW
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
lenovoCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 9%
VendorProductVersion
lenovoenterprise_network_operating_system
𝑥
< 8.4.6.0
lenovoenterprise_network_operating_system
𝑥
< 8.4.6.0
𝑥
= Vulnerable software versions