PT-2022-10167 · Moxa · Nport Iaw5000A-I/O Series

Evgeniy Druzhinin + 2 · Published 2022-04-01 · Updated 2022-04-11 · CVE-2021-32968

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Moxa NPort IAW5000A-I/O Series firmware versions prior to 2.3

Description The issue is related to two buffer overflows in the built-in web server, which may allow a remote attacker to cause a denial-of-service condition.

Recommendations For firmware versions 2.2 or earlier, update to version 2.3 or later to resolve the issue.

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-32968

Affected Products

Nport Iaw5000A-I/O Series

References · 4

• https://osv.dev/vulnerability/CVE-2021-32968 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32968 · Security Note
• https://moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities · Note
• https://cisa.gov/uscert/ics/advisories/icsa-21-187-01 · Note