CVE-2021-32968

Two 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 cause a denial-of-service condition.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
icscertCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 75%
VendorProductVersion
moxanport_iaw5150a-6i\/o_firmware
𝑥
≤ 2.2
moxanport_iaw5150a-12i\/o_firmware
𝑥
≤ 2.2
moxanport_iaw5250a-6i\/o_firmware
𝑥
≤ 2.2
moxanport_iaw5250a-12i\/o_firmware
𝑥
≤ 2.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities
https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01
https://www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-serial-device-server-vulnerabilities