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CVE-2021-34771— Cisco IOS XR Software Unauthorized Information Disclosure Vulnerability

CVSS 5.5 · Medium EPSS 0.14% · P33
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I. Basic Information for CVE-2021-34771

Vulnerability Information
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Vulnerability Title
Cisco IOS XR Software Unauthorized Information Disclosure Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Cisco IOS XR Software CLI could allow an authenticated, local attacker to view more information than their privileges allow. This vulnerability is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this vulnerability by running a specific command. A successful exploit could allow the attacker to view sensitive configuration information that their privileges might not otherwise allow them to access.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过发送数据的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco IOS XR 信息泄露漏洞
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 存在信息泄露漏洞，该漏洞源于在执行特定命令期间未充分应用限制。攻击者可利用该漏洞通过运行特定命令来访问敏感配置信息
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 n/a -

II. Public POCs for CVE-2021-34771

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III. Intelligence Information for CVE-2021-34771

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Same Patch Batch · Cisco · 2021-09-09 · 13 CVEs total

CVE-2021-347208.6 HIGHCisco IOS XR Software IP Service Level Agreements and Two-Way Active Measurement Protocol
CVE-2021-347188.1 HIGHCisco IOS XR Software Arbitrary File Read and Write Vulnerability
CVE-2021-347287.8 HIGHCisco IOS XR Software Authenticated User Privilege Escalation Vulnerabilities
CVE-2021-347197.8 HIGHCisco IOS XR Software Authenticated User Privilege Escalation Vulnerabilities
CVE-2021-347137.4 HIGHCisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability
CVE-2021-347226.7 MEDIUMCisco IOS XR Software Command Injection Vulnerabilities
CVE-2021-347216.7 MEDIUMCisco IOS XR Software Command Injection Vulnerabilities
CVE-2021-347866.5 MEDIUMCisco BroadWorks CommPilot Application Software Vulnerabilities
CVE-2021-347856.5 MEDIUMCisco BroadWorks CommPilot Application Software Vulnerabilities
CVE-2021-347096.0 MEDIUMCisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Ima
CVE-2021-347086.0 MEDIUMCisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Ima
CVE-2021-347375.8 MEDIUMCisco IOS XR Software DHCP Version 4 Server Denial of Service Vulnerability

IV. Related Vulnerabilities

Same product: Cisco IOS XR Software
Same vendor: Cisco
Same weakness: CWE-201

V. Comments for CVE-2021-34771

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