CVE-2021-21728
Quick assessment
Affected
n/a ZXA10 C300M
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
ZTE ZXA10 C300M是中国中兴（ZTE）公司的一个工控设备。一个大容量混合光纤和铜缆平台，支持纯光纤，纯铜以及混合光纤和铜缆接入。 ZXA10 C300M all versions up to V4.3P8 存在资源管理错误漏洞，该漏洞源于某个端口在默认情况下是开放的，攻击者可利用该漏洞可以通过将大量数据包冲到该端口来消耗系统处理资源，降低系统处理能力。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-21728
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A ZTE product has a configuration error vulnerability. Because a certain port is open by default, an attacker can consume system processing resources by flushing a large number of packets to the port, and successfully exploiting this vulnerability could reduce system processing capabilities. This affects: ZXA10 C300M all versions up to V4.3P8.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ZTE ZXA10 C300M 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZTE ZXA10 C300M是中国中兴（ZTE）公司的一个工控设备。一个大容量混合光纤和铜缆平台，支持纯光纤，纯铜以及混合光纤和铜缆接入。 ZXA10 C300M all versions up to V4.3P8 存在资源管理错误漏洞，该漏洞源于某个端口在默认情况下是开放的，攻击者可利用该漏洞可以通过将大量数据包冲到该端口来消耗系统处理资源，降低系统处理能力。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | ZXA10 C300M | all versions up to V4.3P8 | - |
|
II. Public POCs for CVE-2021-21728
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-21728 (1)
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| CVE-2020-21884 | Indio Networks Unibox SMB 跨站请求伪造漏洞 | |
| CVE-2020-21883 | 多款Indio Networks产品操作系统命令注入漏洞 | |
| CVE-2021-30159 | MediaWiki 安全漏洞 | |
| CVE-2021-30156 | MediaWiki 信息泄露漏洞 | |
| CVE-2021-30155 | MediaWiki 访问控制错误漏洞 |
Showing top 20 of 22 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-21728
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