Buffer overflow in Moxa Nport Iaw5000a-I/o Series Firmware
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Moxa Nport Iaw5000a-I/o Series Firmware — versions unspecified
- Moxa Nport Iaw5150a-12i\/o
- Moxa Nport Iaw5150a-12i\/o Firmware
- Moxa Nport Iaw5150a-6i\/o
- Moxa Nport Iaw5150a-6i\/o Firmware
- Moxa Nport Iaw5250a-12i\/o
- Moxa Nport Iaw5250a-12i\/o Firmware
- Moxa Nport Iaw5250a-6i\/o
- Moxa Nport Iaw5250a-6i\/o Firmware
Weakness classification (CWE)
References
- www.cisa.gov/uscert/ics/advisories/icsa-21-187-01 (US Government Resource, Third Party Advisory, Mitigation)
- www.moxa.com/en/support/product-support/security-advisory/nport-iaw5000a-io-ser… (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-32968?
- CVE-2021-32968 is a high-severity vulnerability in Moxa Nport Iaw5000a-I/o Series Firmware, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2022-04-01.
- How severe is CVE-2021-32968?
- High severity. CVSS v3 base score is 7.5 out of 10.