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CVE-2023-20268— Cisco Access Point Software Uncontrolled Resource Consumption 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 Access Point是美国思科（Cisco）公司的一款网络接入点设备。为小型办公室提供高密度无线连接。 Cisco access point 存在安全漏洞，该漏洞源于数据包处理功能中的漏洞可能允许未经身份验证的相邻攻击者耗尽受影响设备上的资源。

CVSS 4.7 · Medium EPSS 0.26% · P17
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I. Basic Information for CVE-2023-20268

Vulnerability Information
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Vulnerability Title
Cisco Access Point Software Uncontrolled Resource Consumption Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the packet processing functionality of Cisco access point (AP) software could allow an unauthenticated, adjacent attacker to exhaust resources on an affected device.  This vulnerability is due to insufficient management of resources when handling certain types of traffic. An attacker could exploit this vulnerability by sending a series of specific wireless packets to an affected device. A successful exploit could allow the attacker to consume resources on an affected device. A sustained attack could lead to the disruption of the Control and Provisioning of Wireless Access Points (CAPWAP) tunnel and intermittent loss of wireless client traffic.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco access point 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Access Point是美国思科（Cisco）公司的一款网络接入点设备。为小型办公室提供高密度无线连接。 Cisco access point 存在安全漏洞，该漏洞源于数据包处理功能中的漏洞可能允许未经身份验证的相邻攻击者耗尽受影响设备上的资源。
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 8.3.135.0 -
Cisco Cisco Aironet Access Point Software (IOS XE Controller) 17.1.1t -
Cisco Cisco Business Wireless Access Point Software 10.3.1.0 -

II. Public POCs for CVE-2023-20268

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III. Intelligence Information for CVE-2023-20268

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Vendor Advisories for CVE-2023-20268 (1)

Same Patch Batch · Cisco · 2023-09-27 · 18 CVEs total

CVE-2023-20252 9.8 CRITICAL Cisco Catalyst SD-WAN Manager 授权问题漏洞
CVE-2023-20231 8.8 HIGH Cisco IOS XE Software 输入验证错误漏洞
CVE-2023-20187 8.6 HIGH Cisco IOS XE Software 安全漏洞
CVE-2023-20227 8.6 HIGH Cisco IOS XE Software 安全漏洞
CVE-2023-20226 8.6 HIGH Cisco IOS XE Software 安全漏洞
CVE-2023-20223 8.6 HIGH Cisco DNA Center 安全漏洞
CVE-2023-20033 8.6 HIGH Cisco IOS XE Software 安全漏洞
CVE-2023-20186 8.0 HIGH Cisco IOS 安全漏洞
CVE-2023-20034 7.5 HIGH Cisco SD-WAN vManage 安全漏洞
CVE-2023-20254 7.2 HIGH Cisco Catalyst 安全漏洞
CVE-2023-20253 7.1 HIGH Cisco SD-WAN vManage 安全漏洞
CVE-2023-20109 6.6 MEDIUM Cisco IOS 缓冲区错误漏洞
CVE-2023-20202 6.1 MEDIUM Cisco IOS XE Software 安全漏洞
CVE-2023-20251 6.1 MEDIUM Cisco Wireless LAN Controller 缓冲区错误漏洞
CVE-2023-20176 5.8 MEDIUM Cisco Access Point 资源管理错误漏洞
CVE-2023-20262 5.3 MEDIUM Cisco Catalyst SD-WAN Manager 安全漏洞
CVE-2023-20179 4.3 MEDIUM Cisco Catalyst SD-WAN Manager 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: Cisco Aironet Access Point Software
Same vendor: Cisco
Same weakness: CWE-400

V. Comments for CVE-2023-20268

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