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CVE-2021-21726

Quick assessment

Affected
n/a <ZXONE 9700 , ZXONE 8700, ZXONE 19700>
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 zxone等都是中国中兴通讯（ZTE）公司的产品。zxone是一系列面向100G和超100G的全新统一交换OTN设备。ZTE ZXONE 8700是一个OTN交叉设备。ZTE9 ZTE ZXONE 9700等都是中国中兴（ZTE9）公司的产品。ZTE ZXONE 9700是一个城域网产品。 ZTE 多款产品存在输入验证错误漏洞，该漏洞源于对用户输入的某些参数验证不充分，攻击者可利用该漏洞可以通过反复输入非法参数导致进程异常。以下产品和版本受到影响：ZXONE 9700 , ZXONE 8700,

AI Predicted 4.3 Difficulty: Moderate EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-21726

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Some ZTE products have an input verification vulnerability in the diagnostic function interface. Due to insufficient verification of some parameters input by users, an attacker with high privileges can cause process exception by repeatedly inputting illegal parameters. This affects:<ZXONE 9700 , ZXONE 8700, ZXONE 19700><V1.40.021.021CP049, V1.0P02B219_@NCPM-RELEASE_2.40R1-20200914.set>
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
中兴 ZTE ZXONE 8700 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZTE zxone等都是中国中兴通讯（ZTE）公司的产品。zxone是一系列面向100G和超100G的全新统一交换OTN设备。ZTE ZXONE 8700是一个OTN交叉设备。ZTE9 ZTE ZXONE 9700等都是中国中兴（ZTE9）公司的产品。ZTE ZXONE 9700是一个城域网产品。 ZTE 多款产品存在输入验证错误漏洞，该漏洞源于对用户输入的某些参数验证不充分，攻击者可利用该漏洞可以通过反复输入非法参数导致进程异常。以下产品和版本受到影响：ZXONE 9700 , ZXONE 8700,
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
- <ZXONE 9700 , ZXONE 8700, ZXONE 19700> <V1.40.021.021CP049, V1.0P02B219_@NCPM-RELEASE_2.40R1-20200914.set> -

II. Public POCs for CVE-2021-21726

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-21726

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Other References for CVE-2021-21726 (1)

Same Patch Batch · n/a · 2021-03-12 · 15 CVEs total

CVE-2021-23354 5.3 MEDIUM Regular Expression Denial of Service (ReDoS)
CVE-2021-27290 ssri 安全漏洞
CVE-2021-28092 Sindre Sorhus is-svg 安全漏洞
CVE-2021-20232 GnuTLS 资源管理错误漏洞
CVE-2021-20231 GnuTLS 资源管理错误漏洞
CVE-2021-28302 Marcelo Roberto Jimenez pupnp 安全漏洞
CVE-2021-28305 Georg Semmler diesel 资源管理错误漏洞
CVE-2021-28306 Mohammed Alyousef fltk-rs 代码问题漏洞
CVE-2021-28307 fltk crate for Rust 代码问题漏洞
CVE-2021-28308 fltk crate for Rust 缓冲区错误漏洞
CVE-2020-36282 Pivotal Software RabbitMQ 代码问题漏洞
CVE-2020-36281 Dan Bloomberg Leptonica 缓冲区错误漏洞
CVE-2020-36280 Dan Bloomberg Leptonica 缓冲区错误漏洞
CVE-2020-36279 Dan Bloomberg Leptonica 缓冲区错误漏洞

IV. Related Vulnerabilities

Same vendor: n/a

V. Comments for CVE-2021-21726

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