CVE-2021-32976

moderate-risk
Published 2022-04-01

Five buffer overflows in the built-in web server in Moxa NPort IAW5000A-I/O series firmware version 2.2 or earlier may allow a remote attacker to initiate a denial-of-service attack and execute arbitrary code.

Do I need to act?

~
1.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (4)

Nport Iaw5150A-6I\/O Firmware
Nport Iaw5150A-12I\/O Firmware
Nport Iaw5250A-6I\/O Firmware
Nport Iaw5250A-12I\/O Firmware

Affected Vendors

Moxa

References (4)

Mitigation https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
Vendor Advisory https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a...
Mitigation https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
Vendor Advisory https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a...
46
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 4/34 · Minimal
Exposure 10/34 · Low