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CVE-2021-40113— Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities

Quick assessment

Affected
Cisco Cisco Catalyst PON Series
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cisco Catalyst Passive Optical Network Series Switches（Catalyst Pon Series Switches）是美国思科（Cisco）公司的一系列高性能、结构简单、易于维护的交换机。用于提供具有竞争力的网络解决方案。 Cisco Catalyst Passive Optical Network Series Switches 存在操作系统命令注入漏洞，该漏洞源于Cisco Catalyst PON系列交换机ONT基于web的管理界面对用户提供的输入

CVSS 10.0 · Critical EPSS 4.63% · P91
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I. Basic Information for CVE-2021-40113

Vulnerability Information
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Vulnerability Title
Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON) Series Switches Optical Network Terminal (ONT) could allow an unauthenticated, remote attacker to perform the following actions: Log in with a default credential if the Telnet protocol is enabled Perform command injection Modify the configuration For more information about these vulnerabilities, see the Details section of this advisory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Catalyst Passive Optical Network Series Switches 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Catalyst Passive Optical Network Series Switches（Catalyst Pon Series Switches）是美国思科（Cisco）公司的一系列高性能、结构简单、易于维护的交换机。用于提供具有竞争力的网络解决方案。 Cisco Catalyst Passive Optical Network Series Switches 存在操作系统命令注入漏洞，该漏洞源于Cisco Catalyst PON系列交换机ONT基于web的管理界面对用户提供的输入
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
Cisco Cisco Catalyst PON Series n/a -

II. Public POCs for CVE-2021-40113

# POC Description Source Link Shenlong Link
1 Multiple vulnerabilities in the web-based management interface of the Cisco Catalyst Passive Optical Network (PON) Series Switches Optical Network Terminal (ONT) could allow an unauthenticated, remote attacker to perform the following actions: Log in with a default credential if the Telnet protocol is enabled Perform c CVE project by @Sn0wAlice https://github.com/karamMahmad/CVE-2021-40113 POC Details
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III. Intelligence Information for CVE-2021-40113

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Vendor Advisories for CVE-2021-40113 (1)

Same Patch Batch · Cisco · 2021-11-04 · 18 CVEs total

CVE-2021-34795 10.0 CRITICAL Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities
CVE-2021-40112 10.0 CRITICAL Cisco Catalyst PON Series Switches Optical Network Terminal Vulnerabilities
CVE-2021-40119 9.8 CRITICAL Cisco Policy Suite Static SSH Keys Vulnerability
CVE-2021-34739 8.1 HIGH Cisco Small Business Series Switches Session Credentials Replay Vulnerability
CVE-2021-34741 7.5 HIGH Cisco Email Security Appliance Denial of Service Vulnerability
CVE-2021-40124 6.7 MEDIUM Cisco AnyConnect Secure Mobility Client for Windows with Network Access Manager Module Pri
CVE-2021-34773 6.5 MEDIUM Cisco Unified Communications Products Cross-Site Request Forgery Vulnerability
CVE-2021-40120 6.5 MEDIUM Cisco Small Business RV Series Routers Command Injection Vulnerability
CVE-2021-40115 6.1 MEDIUM Cisco Webex Video Mesh Cross-Site Scripting Vulnerability
CVE-2021-1500 5.4 MEDIUM Cisco Webex Video Mesh Arbitrary Site Redirection Vulnerability
CVE-2021-34784 5.4 MEDIUM Cisco Prime Infrastructure and Evolved Programmable Network Manager Stored Cross-Site Scri
CVE-2021-40128 5.3 MEDIUM Cisco Webex Meetings Email Content Injection Vulnerability
CVE-2021-40127 5.3 MEDIUM Cisco Small Business 200, 300, and 500 Series Switches Web-Based Management Interface Deni
CVE-2021-34774 4.9 MEDIUM Cisco Common Services Platform Collector Information Disclosure Vulnerability
CVE-2021-34731 4.8 MEDIUM Cisco Prime Access Registrar Stored Cross-Site Scripting Vulnerability
CVE-2021-40126 4.3 MEDIUM Cisco Umbrella Email Enumeration Vulnerability
CVE-2021-34701 4.3 MEDIUM Cisco Unified Communications Products Path Traversal Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Catalyst PON Series
Same vendor: Cisco
Same weakness: CWE-284

V. Comments for CVE-2021-40113

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