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CVE-2025-20145— Cisco IOS XR Software Access Control List Bypass Vulnerability

CVSS 5.8 · Medium EPSS 0.04% · P11
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I. Basic Information for CVE-2025-20145

Vulnerability Information
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Vulnerability Title
Cisco IOS XR Software Access Control List Bypass Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the access control list (ACL) processing in the egress direction of Cisco IOS XR Software could allow an unauthenticated, remote attacker to bypass a configured ACL. This vulnerability exists because certain packets are handled incorrectly when they are received on an ingress interface on one line card and destined out of an egress interface on another line card where the egress ACL is configured. An attacker could exploit this vulnerability by attempting to send traffic through an affected device. A successful exploit could allow the attacker to bypass an egress ACL on the affected device. For more information about this vulnerability, see the section of this advisory. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
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
权限、特权和访问控制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS XR 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco IOS XR是美国思科（Cisco）公司的一套为其网络设备开发的操作系统。 Cisco IOS XR Software存在权限许可和访问控制问题漏洞，该漏洞源于对数据包的错误处理，可能导致绕过配置的访问控制列表。
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 IOS XR Software 6.5.3 -

II. Public POCs for CVE-2025-20145

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III. Intelligence Information for CVE-2025-20145

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Same Patch Batch · Cisco · 2025-03-12 · 10 CVEs total

CVE-2025-201388.8 HIGHCisco IOS XR Software CLI Privilege Escalation Vulnerability
CVE-2025-201468.6 HIGHCisco IOS XR Software for ASR 9000 Series Routers Layer 3 Multicast Routing Denial of Serv
CVE-2025-201428.6 HIGHCisco IOS XR Software for ASR 9000 Series Routers L2VPN Denial of Service Vulnerability
CVE-2025-201158.6 HIGHCisco IOS XR Software Border Gateway Protocol Denial of Service Vulnerability
CVE-2025-202097.5 HIGHCisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability
CVE-2025-201417.4 HIGHCisco IOS XR Software Release 7.9.2 Denial of Service Vulnerabillity
CVE-2025-201776.7 MEDIUMCisco IOS XR Software Image Verification Bypass Vulnerability
CVE-2025-201436.7 MEDIUMCisco IOS XR Software Secure Boot Bypass Vulnerability
CVE-2025-201444.0 MEDIUMCisco IOS XR Software Access Control List Bypass Vulnerability

IV. Related Vulnerabilities

Same product: Cisco IOS XR Software
Same vendor: Cisco
Same weakness: CWE-264

V. Comments for CVE-2025-20145

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