CVE-2020-3382— Cisco Data Center Network Manager Authentication Bypass Vulnerability
Quick assessment
Affected
Cisco Cisco Data Center Network Manager
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 Data Center Network Manager（DCNM）是美国思科（Cisco）公司的一套数据中心管理系统。该系统适用于Cisco Nexus和MDS系列交换机，提供存储可视化、配置和故障排除等功能。 Cisco DCNM中的REST API存在信任管理问题漏洞，该漏洞源于在安装过程中，程序使用了同一个静态加密密钥。攻击者可借助有效会话令牌利用该漏洞以管理员权限执行任意操作。以下产品及版本受到影响：Cisco DCNM 11.0(1)版本，11.1(1)版本，11.2(1)版本，11
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I. Basic Information for CVE-2020-3382
Vulnerability Information
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Vulnerability Title
Cisco Data Center Network Manager Authentication Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the REST API of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrative privileges on an affected device. The vulnerability exists because different installations share a static encryption key. An attacker could exploit this vulnerability by using the static key to craft a valid session token. A successful exploit could allow the attacker to perform arbitrary actions through the REST API with administrative privileges.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Data Center Network Manager 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Data Center Network Manager（DCNM）是美国思科（Cisco）公司的一套数据中心管理系统。该系统适用于Cisco Nexus和MDS系列交换机，提供存储可视化、配置和故障排除等功能。 Cisco DCNM中的REST API存在信任管理问题漏洞，该漏洞源于在安装过程中，程序使用了同一个静态加密密钥。攻击者可借助有效会话令牌利用该漏洞以管理员权限执行任意操作。以下产品及版本受到影响：Cisco DCNM 11.0(1)版本，11.1(1)版本，11.2(1)版本，11
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 Data Center Network Manager | n/a | - |
|
II. Public POCs for CVE-2020-3382
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-3382 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-bypass-dyEejUMs vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2020-07-31 · 11 CVEs total
| CVE-2020-3383 | 8.8 HIGH | Cisco Data Center Network Manager Path Traversal Vulnerability |
| CVE-2020-3384 | 8.2 HIGH | Cisco Data Center Network Manager Command Injection Vulnerability |
| CVE-2020-3376 | 7.3 HIGH | Cisco Data Center Network Manager Authentication Bypass Vulnerability |
| CVE-2020-3462 | 6.3 MEDIUM | Cisco Data Center Network Manager SQL Injection Vulnerability |
| CVE-2020-3377 | 6.3 MEDIUM | Cisco Data Center Network Manager Command Injection Vulnerability |
| CVE-2020-3461 | Cisco Data Center Network Manager Information Disclosure Vulnerability | |
| CVE-2020-3374 | Cisco SD-WAN vManage Software Authorization Bypass Vulnerability | |
| CVE-2020-3375 | Cisco SD-WAN Solution Software Buffer Overflow Vulnerability | |
| CVE-2020-3386 | Cisco Data Center Network Manager Improper Authorization Vulnerability | |
| CVE-2020-3460 | Cisco Data Center Network Manager Cross-Site Scripting Vulnerability |
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V. Comments for CVE-2020-3382
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