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CVE-2020-20253

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/nova/bin/lcdstat进程中遭受内存损坏漏洞。经过身份验证的远程攻击者可能会由于零除错误而导致拒绝服务。

AI Predicted 5.3 Difficulty: Moderate EPSS 2.10% · P80

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-20253

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 divison by zero vulnerability in the /nova/bin/lcdstat process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.
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 数字错误漏洞
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/nova/bin/lcdstat进程中遭受内存损坏漏洞。经过身份验证的远程攻击者可能会由于零除错误而导致拒绝服务。
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-2020-20253

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III. Intelligence Information for CVE-2020-20253

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Mailing List Discussions for CVE-2020-20253 (1)

Other References for CVE-2020-20253 (1)

Same Patch Batch · n/a · 2021-05-18 · 39 CVEs total

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CVE-2020-20254 Mikrotik RouterOs 代码问题漏洞
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CVE-2021-22117 Pivotal Software RabbitMQ 代码注入漏洞
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CVE-2002-2438 TCP 授权问题漏洞
CVE-2021-3518 libxml2 资源管理错误漏洞
CVE-2021-31827 Progress Software MOVEit Transfer SQL注入漏洞
CVE-2021-3531 Red Hat Ceph 输入验证错误漏洞
CVE-2020-19924 BoostIO Boostnote 跨站脚本漏洞

Showing top 20 of 39 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2020-20253

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