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Critical ICSA-21-187-01 4 CVEs

Moxa NPort IAW5000A-I/O Series Serial Device Server

Published Jul 6, 2021 · Updated Jul 6, 2021

Vendor: Moxa Product: NPort IAW5000A-I/O series firmware

Summary

Successful exploitation of these vulnerabilities could crash the device being accessed, cause a buffer overflow condition, or allow remote code execution.

Vulnerabilities 4

  • Critical 9.8
    CVE-2021-32974

    Moxa NPort IAW5000A-I/O Series Serial Device Server Improper Input Validation

    Improper input validation 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 execute commands.

    Moxa NPort IAW5000A-I/O series firmware ICS / OT
  • Critical 9.8
    CVE-2021-32976

    Moxa NPort IAW5000A-I/O Series Serial Device Server Stack-based Buffer Overflow

    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.

    Moxa NPort IAW5000A-I/O series firmware ICS / OT
  • High 7.5
    CVE-2021-32968

    Moxa NPort IAW5000A-I/O Series Serial Device Server Classic Buffer Overflow

    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.

    Moxa NPort IAW5000A-I/O series firmware ICS / OT
  • High 7.5
    CVE-2021-32970

    Moxa NPort IAW5000A-I/O Series Serial Device Server Improper Input Validation

    Data can be copied without validation in the built-in web server in Moxa NPort IAW5000A-I/O series firmware version 2.2 or earlier, which may allow a remote attacker to cause denial-of-service conditions.

    Moxa NPort IAW5000A-I/O series firmware ICS / OT

Revision history

  1. #1

    ICSA-21-187-01 Moxa NPort IAW5000A-IO Series Serial Device Server

References