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CVE-2019-1803— Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Root Privilege Escalation Vulnerability

Quick assessment

Affected
Cisco Cisco NX-OS Software for Nexus 9000 Series Fabric Switches ACI Mode
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 Nexus 9000 Series Switches是美国思科（Cisco）公司的一款9000系列交换机。 使用14.1(1i)之前版本固件的Cisco Nexus 9000 Series ACI Mode Switch（处于ACI模式）中的文件系统管理存在权限许可和访问控制问题漏洞。该漏洞源于网络系统或产品缺乏有效的权限许可和访问控制措施。

AI Predicted 7.8 Difficulty: Easy EPSS 0.32% · P24
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I. Basic Information for CVE-2019-1803

Vulnerability Information
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Vulnerability Title
Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Root Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the filesystem management for the Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an authenticated, local attacker with administrator rights to gain elevated privileges as the root user on an affected device. The vulnerability is due to overly permissive file permissions of specific system files. An attacker could exploit this vulnerability by authenticating to an affected device, creating a crafted command string, and writing this crafted string to a specific file location. A successful exploit could allow the attacker to execute arbitrary operating system commands as root on an affected device. The attacker would need to have valid administrator credentials for the device.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
权限、特权和访问控制
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Nexus 9000 Series Application Centric Infrastructure Mode Switch Software 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Nexus 9000 Series Switches是美国思科（Cisco）公司的一款9000系列交换机。 使用14.1(1i)之前版本固件的Cisco Nexus 9000 Series ACI Mode Switch（处于ACI模式）中的文件系统管理存在权限许可和访问控制问题漏洞。该漏洞源于网络系统或产品缺乏有效的权限许可和访问控制措施。
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 NX-OS Software for Nexus 9000 Series Fabric Switches ACI Mode unspecified ~ 14.1(1i) -

II. Public POCs for CVE-2019-1803

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III. Intelligence Information for CVE-2019-1803

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Vendor Advisories for CVE-2019-1803 (1)

Same Patch Batch · Cisco · 2019-05-03 · 41 CVEs total

CVE-2019-1692 Cisco Application Policy Infrastructure Controller Web-Based Management Interface Usage In
CVE-2019-1703 Cisco Firepower Threat Defense Software Packet Processing Denial of Service Vulnerability
CVE-2019-1704 Cisco Firepower Threat Defense Software SMB Protocol Preprocessor Detection Engine Denial
CVE-2019-1699 Cisco Firepower Threat Defense Software Command Injection Vulnerability
CVE-2019-1697 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Lightweig
CVE-2019-1694 Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software TCP
CVE-2019-1695 Cisco Adaptive Security Appliance and Firepower Threat Defense Software Layer 2 Filtering
CVE-2019-1696 Cisco Firepower Threat Defense Software SMB Protocol Preprocessor Detection Engine Denial
CVE-2019-1693 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN De
CVE-2019-1687 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software TCP Proxy
CVE-2019-1701 Cisco Adaptive Security Appliance and Firepower Threat Defense Software WebVPN Cross-Site
CVE-2019-1635 Cisco IP Phone 7800 Series and 8800 Series Session Initiation Protocol XML Denial of Servi
CVE-2019-1682 Cisco Application Policy Infrastructure Controller Privilege Escalation Vulnerability
CVE-2019-1589 Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Unmeasured
CVE-2019-1590 Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Insecure F
CVE-2019-1592 Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Privilege
CVE-2018-15462 Cisco Firepower Threat Defense Software TCP Ingress Handler Denial of Service Vulnerabilit
CVE-2019-1586 Cisco Application Policy Infrastructure Controller Recoverable Encryption Key Vulnerabilit
CVE-2019-1587 Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Filter Que
CVE-2018-15388 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software WebVPN De

Showing top 20 of 41 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco NX-OS Software for Nexus 9000 Series Fabric Switches ACI Mode
Same vendor: Cisco
Same weakness: CWE-264

V. Comments for CVE-2019-1803

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