CVE-2018-11421: moxa oncell_g3150-hspa_firmware

Vulnerability summary

CVE-2018-11421 is a critical (CVSS 9.8) vulnerability in moxa oncell_g3150-hspa_firmware. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.2% of scored vulnerabilities.

Timeline

1. 03-07-2019
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

Moxa OnCell G3100-HSPA Series version 1.6 Build 17100315 and prior use a proprietary monitoring protocol that does not provide confidentiality, integrity, and authenticity security controls. All information is sent in plain text, and can be intercepted and modified. The protocol is vulnerable to remote unauthenticated disclosure of sensitive information, including the administrator's password. Under certain conditions, it's also possible to retrieve additional information, such as content of HTTP requests to the device, or the previously used password, due to memory leakages.

• CWE-319Cleartext Transmission of Sensitive InformationThe product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.