CVE-2017-3765

low-risk
Published 2018-01-10

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.

Do I need to act?

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0.04% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.0/10 High
LOCAL / HIGH complexity

Affected Products (1)

Enterprise Network Operating System

Affected Vendors

Lenovo

References (4)

Third Party Advisory http://www.securitytracker.com/id/1040296
Mitigation https://support.lenovo.com/us/en/product_security/LEN-16095
Third Party Advisory http://www.securitytracker.com/id/1040296
Mitigation https://support.lenovo.com/us/en/product_security/LEN-16095
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal