PT-2021-3067 · Moxa · Nport Ia5000A Series

Alexander Nochvay · Published 2021-04-28 · Updated 2021-05-21 · CVE-2020-27185

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions NPort IA5000A series serial devices (affected versions not specified)

Description The issue is related to the cleartext transmission of sensitive information via Moxa Service in the affected devices. This could allow attackers to read authentication data, device configuration, and other sensitive data transmitted over Moxa Service. Exploitation of the vulnerability may enable remote attackers to gain unauthorized access to protected information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Cleartext Transmission of Sensitive Information

Weakness Enumeration

CWE-319

Related Identifiers

BDU:2021-02679

CVE-2020-27185

Affected Products

Nport Ia5000A Series

References · 7

• https://moxa.com/en/support/product-support/security-advisory/nport-ia5000a-serial-device-servers-vulnerabilities · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-27185 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27185 · Security Note
• https://bdu.fstec.ru/vul/2021-02679 · Security Note
• https://ics-cert.kaspersky.com/advisories/klcert-advisories/2021/05/11/klcert-20-021%2C · Note
• https://t.me/cvenotify/14839 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2021042809 · Note