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CVE-2025-20138— Cisco IOS XR Software CLI Privilege Escalation Vulnerability

Quick assessment

Affected
Cisco Cisco IOS XR 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 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存在操作系统命令注入漏洞，该漏洞源于对用户参数验证不足，可能导致本地攻击者执行任意命令。

CVSS 8.8 · High EPSS 0.23% · P14
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I. Basic Information for CVE-2025-20138

Vulnerability Information
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Vulnerability Title
Cisco IOS XR Software CLI Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI commands. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the prompt. A successful exploit could allow the attacker to elevate privileges to root and execute arbitrary commands.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS XR 操作系统命令注入漏洞
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存在操作系统命令注入漏洞，该漏洞源于对用户参数验证不足，可能导致本地攻击者执行任意命令。
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 IOS XR Software 6.5.3 -

II. Public POCs for CVE-2025-20138

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III. Intelligence Information for CVE-2025-20138

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Vendor Advisories for CVE-2025-20138 (1)

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

CVE-2025-20146 8.6 HIGH Cisco IOS XR Software for ASR 9000 Series Routers Layer 3 Multicast Routing Denial of Serv
CVE-2025-20142 8.6 HIGH Cisco IOS XR Software for ASR 9000 Series Routers L2VPN Denial of Service Vulnerability
CVE-2025-20115 8.6 HIGH Cisco IOS XR Software Border Gateway Protocol Denial of Service Vulnerability
CVE-2025-20209 7.5 HIGH Cisco IOS XR Software Internet Key Exchange Version 2 Denial of Service Vulnerability
CVE-2025-20141 7.4 HIGH Cisco IOS XR Software Release 7.9.2 Denial of Service Vulnerabillity
CVE-2025-20177 6.7 MEDIUM Cisco IOS XR Software Image Verification Bypass Vulnerability
CVE-2025-20143 6.7 MEDIUM Cisco IOS XR Software Secure Boot Bypass Vulnerability
CVE-2025-20145 5.8 MEDIUM Cisco IOS XR Software Access Control List Bypass Vulnerability
CVE-2025-20144 4.0 MEDIUM Cisco IOS XR Software Access Control List Bypass Vulnerability

IV. Related Vulnerabilities

Same product: Cisco IOS XR Software
Same vendor: Cisco
Same weakness: CWE-78

V. Comments for CVE-2025-20138

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