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CVE-2021-21724

Quick assessment

Affected
n/a ZXR10 8900E
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是中国中兴（ZTE）公司的一款交换机设备。 ZTE ZXR10 8900E all versions up to V3.03.20R2B30P1 存在安全漏洞，该漏洞源于产品在某些场景下对内存释放处理不当，造成内存泄漏，导致业务异常。

AI Predicted 3.7 Difficulty: Moderate EPSS 0.37% · P29

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-21724

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A ZTE product has a memory leak vulnerability. Due to the product's improper handling of memory release in certain scenarios, a local attacker with device permissions repeatedly attenuated the optical signal to cause memory leak and abnormal service. This affects: ZXR10 8900E, all versions up to V3.03.20R2B30P1.
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 ZXR E all versions up to VRBP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ZTE ZXR10 9904是中国中兴（ZTE）公司的一款交换机设备。 ZTE ZXR10 8900E all versions up to V3.03.20R2B30P1 存在安全漏洞，该漏洞源于产品在某些场景下对内存释放处理不当，造成内存泄漏，导致业务异常。
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 8900E all versions up to V3.03.20R2B30P1 -

II. Public POCs for CVE-2021-21724

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III. Intelligence Information for CVE-2021-21724

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Other References for CVE-2021-21724 (1)

Same Patch Batch · n/a · 2021-02-26 · 24 CVEs total

CVE-2019-11684 9.9 CRITICAL Improper Access Control in Bosch Video Recording Manager
CVE-2021-23345 5.3 MEDIUM Server-side Request Forgery (SSRF)
CVE-2021-0406 MediaTek cameraisp 缓冲区错误漏洞
CVE-2020-27618 GNU C Library 安全漏洞
CVE-2020-24455 tpm2-tss 安全漏洞
CVE-2020-26200 Kaspersky 安全漏洞
CVE-2021-3010 OpenText 跨站脚本漏洞
CVE-2021-26904 LMA-ISIDA Retriever SQL注入漏洞
CVE-2021-26903 LMA ISIDA Retriever 跨站脚本漏洞
CVE-2021-22661 ProSoft Technology ICX-HWC-A 安全漏洞
CVE-2020-28646 ownCloud 代码问题漏洞
CVE-2020-28199 Amazon Pay Plugin 信息泄露漏洞
CVE-2021-27198 Visualware MyConnection Server 代码问题漏洞
CVE-2021-0405 MediaTek performance driver 缓冲区错误漏洞
CVE-2021-0404 MediaTek mobile_log_d 输入验证错误漏洞
CVE-2021-0403 MediaTek netdiag 信息泄露漏洞
CVE-2021-0402 MediaTek jpeg 缓冲区错误漏洞
CVE-2021-0401 MediaTek vow 竞争条件问题漏洞
CVE-2021-0367 Google Android 竞争条件问题漏洞
CVE-2021-0366 Google Android 竞争条件问题漏洞

Showing top 20 of 24 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a

V. Comments for CVE-2021-21724

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