CVE-2017-3765

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.

References

Link	Tags
https://support.lenovo.com/us/en/product_security/LEN-16095	patch vendor advisory mitigation
http://www.securitytracker.com/id/1040296	vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-3765?: CVE-2017-3765 has been scored as a high severity vulnerability.
How to fix CVE-2017-3765?: To fix CVE-2017-3765, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-3765 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-3765 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-3765?: CVE-2017-3765 affects Lenovo Group Ltd. Enterprise Network Operating System affecting Lenovo and IBM RackSwitch and BladeCenter Products.

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Description

Category

CWE-287 – Improper Authentication

References

Frequently Asked Questions