CVE-2020-20266
Quick assessment
Affected
n/a n/a
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.
MikroTik RouterOS是拉脱维亚MikroTik公司的一套基于Linux开发的路由器操作系统。该系统可部署在PC中，使其提供路由器功能。 Mikrotik RouterOs 6.47之前版本存在安全漏洞，该漏洞源于经过身份验证的远程攻击者可能会导致拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-20266
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/dot1x process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).
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
MikroTik RouterOS 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MikroTik RouterOS是拉脱维亚MikroTik公司的一套基于Linux开发的路由器操作系统。该系统可部署在PC中，使其提供路由器功能。 Mikrotik RouterOs 6.47之前版本存在安全漏洞，该漏洞源于经过身份验证的远程攻击者可能会导致拒绝服务。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2020-20266
| # | POC Description | Source Link | Shenlong Link |
|---|
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Mailing List Discussions for CVE-2020-20266 (1)
-
https://seclists.org/fulldisclosure/2021/May/11 x_refsource_MISC
Other References for CVE-2020-20266 (1)
Same Patch Batch · n/a · 2021-05-19 · 20 CVEs total
| CVE-2021-3445 | Red Hat libdnf 数据伪造问题漏洞 | |
| CVE-2021-20589 | 多款 Mitsubishi Electric 设备缓冲区错误漏洞 | |
| CVE-2021-21732 | ZTE 手机 安全漏洞 | |
| CVE-2021-21733 | ZXCDN 信息泄露漏洞 | |
| CVE-2020-20264 | MikroTik RouterOS 数字错误漏洞 | |
| CVE-2017-17674 | BMC Software BMC Remedy 9.1SP3 代码问题漏洞 | |
| CVE-2017-17678 | BMC Remedy Mid Tier 9.1SP3 跨站脚本漏洞 | |
| CVE-2017-17675 | BMC Software BMC Remedy 9.1SP3 日志信息泄露漏洞 | |
| CVE-2017-17677 | BMC Remedy 9.1SP3 安全漏洞 | |
| CVE-2021-3421 | Red Hat Package Manager 数据伪造问题漏洞 | |
| CVE-2021-27924 | Couchbase Server 安全漏洞 | |
| CVE-2021-3517 | libxml2 缓冲区错误漏洞 | |
| CVE-2021-31930 | concerto 跨站脚本漏洞 | |
| CVE-2021-33204 | PostgreSQL 命令注入漏洞 | |
| CVE-2021-31158 | Couchbase Server 安全漏洞 | |
| CVE-2021-25644 | Couchbase Server 安全漏洞 | |
| CVE-2020-36364 | Smartstore SmartStoreNET 路径遍历漏洞 | |
| CVE-2021-27925 | Couchbase Server 竞争条件问题漏洞 | |
| CVE-2020-36365 | Smartstore SmartStoreNET 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2020-20266
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