CVE-2017-3765

N/A

Published: January 10, 2018 at 06:00 PM UTC

Updated: June 17, 2026 at 01:18 AM UTC

14 products affected across 1 vendorEnterprise Network Operating SystemRackswitch G8332Rackswitch G8272· also runs on 16 platforms

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Severity

N/A

Exploit prediction

EPSS 0.3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Enterprise Network Operating System · Lenovo

95%

v < 8.4.6.0Earlier than

Affected range stops below 8.4.6.0, so it looks safe — our inference, not a vendor statement

ibm-1g-l2-7-slb-switch-for-bladecenter (environment) · ibm-bladecenter-1-10g-uplink-ethernet-switch-module (environment) · ibm-bladecenter-layer-2-3-copper-ethernet-switch-module (environment) · ibm-bladecenter-virtual-fabric-10gb-switch-module (environment) · ibm-flex-system-en2092-1gb-ethernet-scalable-switch (environment) · ibm-flex-system-fabric-cn4093-10gb-converged-scalable-switch (environment) · ibm-flex-system-fabric-en4093-en4093r-10gb-scalable-switch (environment) · ibm-flex-system-fabric-si4093-10gb-system-interconnect-module (environment) · ibm-rackswitch-g8052 (environment) · ibm-rackswitch-g8124 (environment) · ibm-rackswitch-g8124e (environment) · ibm-rackswitch-g8264 (environment) · ibm-rackswitch-g8264cs (environment) · ibm-rackswitch-g8264t (environment) · ibm-rackswitch-g8316 (environment) · ibm-rackswitch-g8332 (environment) · lenovo-flex-system-fabric-cn4093-10gb-converged-scalable-switch (environment) · lenovo-flex-system-fabric-en4093r-10gb-scalable-switch (environment) · lenovo-flex-system-fabric-si4093-10gb-system-interconnect-module (environment) · lenovo-flex-system-si4091-system-interconnect-module (environment) · lenovo-rackswitch-g7028 (environment) · lenovo-rackswitch-g7052 (environment) · lenovo-rackswitch-g8052 (environment) · lenovo-rackswitch-g8124e (environment) · lenovo-rackswitch-g8264 (environment) · lenovo-rackswitch-g8264cs (environment) · lenovo-rackswitch-g8272 (environment) · lenovo-rackswitch-g8296 (environment) · lenovo-rackswitch-g8332 (environment)

Flex System Fabric Cn4093 10Gb Converged Scalable Switch · Lenovodevice

80%

All versions

Flex System Fabric En4093R 10Gb Scalable Switch · Lenovodevice

80%

All versions

Flex System Fabric Si4093 10Gb System Interconnect Module · Lenovodevice

80%

All versions

Flex System Si4091 System Interconnect Module · Lenovodevice

80%

All versions