CVE-2021-29255 : What You Need to Know
Learn about CVE-2021-29255 affecting MicroSeven MYM71080i-B devices. Understand the risk, impact, and mitigation steps for this cleartext credentials transmission vulnerability.
MicroSeven MYM71080i-B 2.0.5 through 2.0.20 devices are affected by a vulnerability where admin credentials are sent in cleartext to pnp.microseven.com TCP port 7007, allowing attackers on the same network to capture these credentials.
Understanding CVE-2021-29255
This section provides insights into the vulnerability and its impacts.
What is CVE-2021-29255?
CVE-2021-29255 affects MicroSeven MYM71080i-B 2.0.5 through 2.0.20 devices by transmitting admin credentials in plain text to a specific TCP port, enabling potential interception by malicious actors on the network.
The Impact of CVE-2021-29255
This vulnerability poses a significant security risk as it allows unauthorized individuals to obtain sensitive admin credentials, potentially leading to unauthorized access and compromised confidentiality.
Technical Details of CVE-2021-29255
In this section, the technical aspects of the vulnerability are outlined.
Vulnerability Description
The flaw in MicroSeven MYM71080i-B 2.0.5 through 2.0.20 allows for the transmission of admin credentials in cleartext to pnp.microseven.com TCP port 7007, facilitating credential interception by attackers.
Affected Systems and Versions
Devices running MicroSeven MYM71080i-B versions 2.0.5 through 2.0.20 are impacted by this vulnerability.
Exploitation Mechanism
Attackers within the same network as the vulnerable device can exploit this flaw by capturing the sent admin credentials over TCP port 7007.
Mitigation and Prevention
This section offers guidance on addressing the CVE-2021-29255 vulnerability.
Immediate Steps to Take
Users should refrain from transmitting sensitive admin credentials over insecure networks and consider changing default passwords to enhance security.
Long-Term Security Practices
Implementing network segmentation, encrypting sensitive data transmissions, and regularly updating device firmware can help mitigate similar security risks in the future.
Patching and Updates
It is recommended to apply patches or updates provided by the device manufacturer to mitigate the CVE-2021-29255 vulnerability and enhance overall security.