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CVE-2021-32968— Moxa NPort IAW5000A-I/O Series Serial Device Server Classic Buffer Overflow

CVSS 7.5 · High EPSS 0.95% · P76
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I. Basic Information for CVE-2021-32968

Vulnerability Information
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Vulnerability Title
Moxa NPort IAW5000A-I/O Series Serial Device Server Classic Buffer Overflow
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
MOXA NPort IAW5000A-I/O Series 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MOXA NPort IAW5000A-I/O Series是中国台湾摩莎（MOXA）公司的一款工业环境下使用的无线设备服务器。该服务器可实现现场串口设备与无线以太网络相集成，并且融合了数字IO，适用于工业数据采集应用。 MOXA NPort IAW5000A-I/O Series 存在安全漏洞，该漏洞源于内置web服务器中的两个缓冲区溢出。攻击者可利用该漏洞造成拒绝服务的情况。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
MoxaNPort IAW5000A-I/O Series firmware unspecified ~ 2.2 -

II. Public POCs for CVE-2021-32968

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III. Intelligence Information for CVE-2021-32968

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Same Patch Batch · Moxa · 2022-04-01 · 4 CVEs total

CVE-2021-329749.8 CRITICALMoxa NPort IAW5000A-I/O Series Serial Device Server Improper Input Validation
CVE-2021-329769.8 CRITICALMoxa NPort IAW5000A-I/O Series Serial Device Server Stack-based Buffer Overflow
CVE-2021-329707.5 HIGHMoxa NPort IAW5000A-I/O Series Serial Device Server Improper Input Validation

IV. Related Vulnerabilities

Same product: NPort IAW5000A-I/O Series firmware
Same vendor: Moxa
Same weakness: CWE-120

V. Comments for CVE-2021-32968

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