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July 7, 2021
Severity
High
Analysis Summary
CVE-2021-32968
Two buffer overflows in the built-in web server may allow a remote attacker to cause a denial-of-service condition.
CVE-2021-32976
Five buffer overflows in the built-in web server allow a remote attacker to initiate a denial-of-service attack and execute arbitrary code.
CVE-2021-32970
Data can be copied without validation in the built-in web server, which may allow a remote attacker to cause denial-of-service conditions.
CVE-2021-32974
Improper input validation in the built-in web server may allow a remote attacker to execute commands.
Impact
- Remote Code Execution
- Denial of Service
- Device Crash
Affected Vendors
Moxa
Affected Products
- NPort IAW5000A-I/O Series Wireless Device Server
Remediation
For Further information regarding patches refer to https://us-cert.cisa.gov/ics/advisories/icsa-21-187-01