CVE-2021-32968
HIGHCVSS 7.5/10EPSS 1.64%
Last modified
CVE-2021-32968 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.64% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Moxa | Nport Iaw5150a-6i\/O Firmware | <= 2.2 |
| Moxa | Nport Iaw5150a-12i\/O Firmware | <= 2.2 |
| Moxa | Nport Iaw5250a-6i\/O Firmware | <= 2.2 |
| Moxa | Nport Iaw5250a-12i\/O Firmware | <= 2.2 |
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01Mitigation, Third Party Advisory, US Government Resource
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-187-01Mitigation, Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-32968?
CVE-2021-32968 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.
How do I fix CVE-2021-32968?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-32968?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST