CVE-2021-21723
Quick assessment
Affected
n/a <ZXR10 9904, ZXR10 9908, ZXR10 9916, ZXR10 9904-S, ZXR10 9908-S>
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 ZXR10 9904等都是中国中兴（ZTE）公司的一款交换机设备。 ZTE 多款产品存在资源管理错误漏洞，该漏洞源于对内存释放处理不当，远程攻击者可利用该漏洞在某些特定场景下通过一系列操作触发漏洞，导致内存泄漏，最终导致设备拒绝服务。以下产品及版本受到影响：ZXR10 9904, ZXR10 9908, ZXR10 9916, ZXR10 9904-S, ZXR10 9908-S; all versions up to V1.01.10.B12。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-21723
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Some ZTE products have a DoS vulnerability. Due to the improper handling of memory release in some specific scenarios, a remote attacker can trigger the vulnerability by performing a series of operations, resulting in memory leak, which may eventually lead to device denial of service. This affects: ZXR10 9904, ZXR10 9908, ZXR10 9916, ZXR10 9904-S, ZXR10 9908-S; all versions up to V1.01.10.B12.
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
多款 ZTE 产品资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZTE ZXR10 9904等都是中国中兴（ZTE）公司的一款交换机设备。 ZTE 多款产品存在资源管理错误漏洞，该漏洞源于对内存释放处理不当，远程攻击者可利用该漏洞在某些特定场景下通过一系列操作触发漏洞，导致内存泄漏，最终导致设备拒绝服务。以下产品及版本受到影响：ZXR10 9904, ZXR10 9908, ZXR10 9916, ZXR10 9904-S, ZXR10 9908-S; all versions up to V1.01.10.B12。
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 |
|---|---|---|---|---|
| - | <ZXR10 9904, ZXR10 9908, ZXR10 9916, ZXR10 9904-S, ZXR10 9908-S> | <all versions up to V1.01.10.B12> | - |
|
II. Public POCs for CVE-2021-21723
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-21723 (1)
Same Patch Batch · n/a · 2021-01-21 · 23 CVEs total
| CVE-2020-8288 | Rocket.Chat server 跨站脚本漏洞 | |
| CVE-2020-36200 | Kaspersky TinyCheck 代码问题漏洞 | |
| CVE-2020-36199 | Kaspersky TinyCheck 命令注入漏洞 | |
| CVE-2020-21147 | RockOA 跨站脚本漏洞 | |
| CVE-2020-21146 | Fehi CMS 跨站脚本漏洞 | |
| CVE-2020-36201 | 多款 Xerox 产品加密问题漏洞 | |
| CVE-2019-25015 | OpenWrt 跨站脚本漏洞 | |
| CVE-2021-22871 | Revive Adserver 跨站脚本漏洞 | |
| CVE-2021-22872 | Revive Adserver 跨站脚本漏洞 | |
| CVE-2021-22873 | Revive Adserver 输入验证错误漏洞 | |
| CVE-2020-8292 | Rocket.Chat 跨站脚本漏洞 | |
| CVE-2020-27583 | IBM InfoSphere Information Server 代码问题漏洞 | |
| CVE-2020-22643 | FeehiCMS 代码问题漏洞 | |
| CVE-2021-3152 | Home Assistant 路径遍历漏洞 | |
| CVE-2020-28874 | ProjectSend 安全漏洞 | |
| CVE-2020-35309 | Egavilan Media Bakeshop Online Ordering System 跨站脚本漏洞 | |
| CVE-2020-29241 | Online News Portal 跨站脚本漏洞 | |
| CVE-2020-26941 | ESET NOD32 Antivirus 访问控制错误漏洞 | |
| CVE-2021-3195 | Bitcoin Core 输入验证错误漏洞 | |
| CVE-2021-3190 | Omrilotan async-git 操作系统命令注入漏洞 |
Showing top 20 of 23 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-21723
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