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CVE-2025-20339— Cisco SD-WAN vEdge Software Access Control List Bypass Vulnerability

CVSS 5.8 · Medium EPSS 0.03% · P9
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I. Basic Information for CVE-2025-20339

Vulnerability Information
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Vulnerability Title
Cisco SD-WAN vEdge Software Access Control List Bypass Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the access control list (ACL) processing of IPv4 packets of Cisco SD-WAN vEdge Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability is due to the improper enforcement of the implicit deny all at the end of a configured ACL. An attacker could exploit this vulnerability by attempting to send unauthorized traffic to an interface on an affected device. A successful exploit could allow the attacker to bypass an ACL on the affected device.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco SD-WAN vEdge 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco SD-WAN vEdge是美国思科（Cisco）公司的一款路由器。 Cisco SD-WAN vEdge存在访问控制错误漏洞，该漏洞源于IPv4数据包访问控制列表处理不当，可能导致远程攻击者绕过配置的ACL。
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

VendorProductAffected VersionsCPESubscribe
CiscoCisco SD-WAN vEdge Cloud 20.9.1 -
CiscoCisco SD-WAN vEdge Router 20.3.1 -

II. Public POCs for CVE-2025-20339

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III. Intelligence Information for CVE-2025-20339

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Same Patch Batch · Cisco · 2025-09-24 · 17 CVEs total

CVE-2025-203348.8 HIGHCisco IOS XE 命令注入漏洞
CVE-2025-203158.6 HIGHCisco IOS XE 安全漏洞
CVE-2025-201608.1 HIGHCisco IOS和Cisco IOS XE Software 授权问题漏洞
CVE-2025-203277.7 HIGHCisco IOS 安全漏洞
CVE-2025-203127.7 HIGHCisco IOS XE 安全漏洞
CVE-2025-203527.7 HIGHCisco IOS和Cisco IOS XE Software 安全漏洞
CVE-2025-203117.4 HIGHCisco IOS XE Software 代码问题漏洞
CVE-2025-203146.7 MEDIUMCisco IOS XE 安全漏洞
CVE-2025-203136.7 MEDIUMCisco IOS XE 安全漏洞
CVE-2025-201496.5 MEDIUMCisco IOS和Cisco IOS XE 安全漏洞
CVE-2025-202406.1 MEDIUMCisco IOS XE Software 安全漏洞
CVE-2025-203386.0 MEDIUMCisco IOS XE 安全漏洞
CVE-2025-203165.3 MEDIUMCisco IOS XE 访问控制错误漏洞
CVE-2025-202935.3 MEDIUMCisco IOS XE Software 安全漏洞
CVE-2025-203654.3 MEDIUMCisco Access Point Software 安全漏洞
CVE-2025-203644.3 MEDIUMCisco Wireless LAN Controller 安全漏洞

IV. Related Vulnerabilities

Same product: Cisco SD-WAN vEdge Cloud
Same vendor: Cisco
Same weakness: CWE-284

V. Comments for CVE-2025-20339

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