CVE-2021-29255

HIGH

MicroSeven MYM71080i-B Firmware 2.0.5-2.0.20 - Unauthenticated Credential Exposure via Cleartext Transmission

Title source: llm
STIX 2.1

Description

MicroSeven MYM71080i-B 2.0.5 through 2.0.20 devices send admin credentials in cleartext to pnp.microseven.com TCP port 7007. An attacker on the same network as the device can capture these credentials.

References (2)

Core 2
Core References
Vendor Advisory x_refsource_misc
https://blog.microseven.com
Exploit, Third Party Advisory x_refsource_misc
https://cybergladius.com/cve-2021-29255-vulnerability-disclosure/

Scores

CVSS v3 7.5
EPSS 0.0055
EPSS Percentile 41.8%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-522
Status published
Products (1)
microseven/mym71080i-b_firmware 2.0.5 - 2.0.20
Published Mar 26, 2021
Tracked Since Feb 18, 2026