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CVE-2020-3552— Cisco Aironet Access Points Ethernet Wired Clients Denial of Service Vulnerability

Quick assessment

Affected
Cisco Cisco Aironet Access Point Software
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.

Cisco Aironet Access Points（aps）是美国思科（Cisco）公司的一款网络接入点设备。 Cisco Aironet Access Points (APs) Cisco Catalyst 9000中存在安全漏洞。该漏洞源于输入验证不足。攻击者可利用该漏洞将其作为有线客户端连接到受影响设备的以太网接口，并在短时间内发送一系列特定数据包。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1499.002 · Service Exhaustion Flood
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I. Basic Information for CVE-2020-3552

Vulnerability Information
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Vulnerability Title
Cisco Aironet Access Points Ethernet Wired Clients Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Ethernet packet handling of Cisco Aironet Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by connecting as a wired client to the Ethernet interface of an affected device and sending a series of specific packets within a short time frame. A successful exploit could allow the attacker to cause a NULL pointer access that results in a reload of the affected device.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Aironet Access Points 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Aironet Access Points（aps）是美国思科（Cisco）公司的一款网络接入点设备。 Cisco Aironet Access Points (APs) Cisco Catalyst 9000中存在安全漏洞。该漏洞源于输入验证不足。攻击者可利用该漏洞将其作为有线客户端连接到受影响设备的以太网接口，并在短时间内发送一系列特定数据包。
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 Aironet Access Point Software n/a -

II. Public POCs for CVE-2020-3552

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III. Intelligence Information for CVE-2020-3552

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Vendor Advisories for CVE-2020-3552 (1)

Same Patch Batch · Cisco · 2020-09-24 · 52 CVEs total

CVE-2020-3141 8.8 HIGH Cisco IOS XE Software Privilege Escalation Vulnerabilities
CVE-2020-3425 8.8 HIGH Cisco IOS XE Software Privilege Escalation Vulnerabilities
CVE-2020-3480 8.6 HIGH Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities
CVE-2020-3399 8.6 HIGH Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Se
CVE-2020-3421 8.6 HIGH Cisco IOS XE Software Zone-Based Firewall Denial of Service Vulnerabilities
CVE-2020-3426 7.5 HIGH Cisco IOS Software for Cisco Industrial Routers Virtual-LPWA Unauthorized Access Vulnera
CVE-2020-3465 7.4 HIGH Cisco IOS XE Software Ethernet Frame Denial of Service Vulnerability
CVE-2020-3508 7.4 HIGH Cisco IOS XE Software for Cisco ASR 1000 Series 20-Gbps Embedded Services Processor IP ARP
CVE-2020-3396 6.8 MEDIUM Cisco IOS XE Software IOx Guest Shell USB SSD Namespace Protection Privilege Escalation Vu
CVE-2020-3417 6.8 MEDIUM Cisco IOS XE Software Arbitrary Code Execution Vulnerability
CVE-2020-3513 6.7 MEDIUM Cisco IOS XE Software for Cisco ASR 900 Series Route Switch Processor 3 Arbitrary Code Exe
CVE-2020-3416 6.7 MEDIUM Cisco IOS XE Software for Cisco ASR 900 Series Route Switch Processor 3 Arbitrary Code Exe
CVE-2020-3479 6.1 MEDIUM Cisco IOS and IOS XE Software MP-BGP EVPN Denial of Service Vulnerability
CVE-2020-3503 6.0 MEDIUM Cisco IOS XE Software Guest Shell Unauthorized File System Access Vulnerability
CVE-2020-3393 6.0 MEDIUM Cisco IOS XE Software IOx Application Hosting Privilege Escalation Vulnerability
CVE-2020-3423 5.1 MEDIUM Cisco IOS XE Software Arbitrary Code Execution Vulnerability
CVE-2020-3475 4.3 MEDIUM Cisco IOS XE Software Web Management Framework Vulnerabilities
CVE-2020-3474 4.3 MEDIUM Cisco IOS XE Software Web Management Framework Vulnerabilities
CVE-2020-3407 Cisco IOS XE Software RESTCONF and NETCONF-YANG Access Control List Denial of Service Vuln
CVE-2020-3409 Cisco IOS and IOS XE Software PROFINET Denial of Service Vulnerability

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Aironet Access Point Software
Same vendor: Cisco
Same weakness: CWE-476

V. Comments for CVE-2020-3552

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