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CVE-2024-20262

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 存在安全漏洞，该漏洞源于安全复制协议 (SCP) 和 SFTP 功能中存在漏洞，可能允许经过身份验证的本地攻击者在系统目录中创建或覆盖文件，导致拒绝服务。

CVSS 6.5 · Medium EPSS 0.15% · P4
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I. Basic Information for CVE-2024-20262

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the Secure Copy Protocol (SCP) and SFTP feature of Cisco IOS XR Software could allow an authenticated, local attacker to create or overwrite files in a system directory, which could lead to a denial of service (DoS) condition. The attacker would require valid user credentials to perform this attack. This vulnerability is due to a lack of proper validation of SCP and SFTP CLI input parameters. An attacker could exploit this vulnerability by authenticating to the device and issuing SCP or SFTP CLI commands with specific parameters. A successful exploit could allow the attacker to impact the functionality of the device, which could lead to a DoS condition. The device may need to be manually rebooted to recover. Note: This vulnerability is exploitable only when a local user invokes SCP or SFTP commands at the Cisco IOS XR CLI. A local user with administrative privileges could exploit this vulnerability remotely.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco IOS XR 安全漏洞
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 存在安全漏洞，该漏洞源于安全复制协议 (SCP) 和 SFTP 功能中存在漏洞，可能允许经过身份验证的本地攻击者在系统目录中创建或覆盖文件，导致拒绝服务。
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 5.2.0 -

II. Public POCs for CVE-2024-20262

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III. Intelligence Information for CVE-2024-20262

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Vendor Advisories for CVE-2024-20262 (1)

Same Patch Batch · Cisco · 2024-03-13 · 8 CVEs total

CVE-2024-20320 7.8 HIGH Cisco IOS XR 安全漏洞
CVE-2024-20318 7.4 HIGH Cisco IOS XR 安全漏洞
CVE-2024-20327 7.4 HIGH Cisco ASR 9000 安全漏洞
CVE-2024-20315 5.8 MEDIUM Cisco IOS XR 安全漏洞
CVE-2024-20322 5.8 MEDIUM Cisco IOS XR 安全漏洞
CVE-2024-20266 5.3 MEDIUM Cisco IOS XR Software 安全漏洞
CVE-2024-20319 4.3 MEDIUM Cisco IOS XR 安全漏洞

IV. Related Vulnerabilities

Same product: Cisco IOS XR Software
Same vendor: Cisco
Same weakness: CWE-269

V. Comments for CVE-2024-20262

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