CVE-2021-1276— Cisco Data Center Network Manager Certificate Validation Vulnerabilities
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 Data Center Network Manager 存在信任管理问题漏洞，攻击者可利用该漏洞欺骗可信主机或构造中间人攻击，以提取敏感信息或更改某些API请求。
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I. Basic Information for CVE-2021-1276
Vulnerability Information
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Vulnerability Title
Cisco Data Center Network Manager Certificate Validation Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
Multiple vulnerabilities in Cisco Data Center Network Manager (DCNM) could allow an attacker to spoof a trusted host or construct a man-in-the-middle attack to extract sensitive information or alter certain API requests. These vulnerabilities are due to insufficient certificate validation when establishing HTTPS requests with the affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
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 Data Center Network Manager 存在信任管理问题漏洞，攻击者可利用该漏洞欺骗可信主机或构造中间人攻击，以提取敏感信息或更改某些API请求。
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-2021-1276
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-1276 (1)
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-cert-check-BdZZV9T3 vendor-advisory x_refsource_CISCO
Same Patch Batch · Cisco · 2021-01-20 · 58 CVEs total
| CVE-2021-1138 | 9.8 CRITICAL | Cisco Smart Software Manager Satellite Web UI Command Injection Vulnerabilities |
| CVE-2021-1139 | 9.8 CRITICAL | Cisco Smart Software Manager Satellite Web UI Command Injection Vulnerabilities |
| CVE-2021-1140 | 9.8 CRITICAL | Cisco Smart Software Manager Satellite Web UI Command Injection Vulnerabilities |
| CVE-2021-1141 | 9.8 CRITICAL | Cisco Smart Software Manager Satellite Web UI Command Injection Vulnerabilities |
| CVE-2021-1142 | 9.8 CRITICAL | Cisco Smart Software Manager Satellite Web UI Command Injection Vulnerabilities |
| CVE-2021-1264 | 9.6 CRITICAL | Cisco DNA Center Command Runner Command Injection Vulnerability |
| CVE-2021-1302 | 8.8 HIGH | Cisco SD-WAN vManage Authorization Bypass Vulnerabilities |
| CVE-2021-1305 | 8.8 HIGH | Cisco SD-WAN vManage Authorization Bypass Vulnerabilities |
| CVE-2021-1272 | 8.8 HIGH | Cisco Data Center Network Manager Server-Side Request Forgery Vulnerability |
| CVE-2021-1304 | 8.8 HIGH | Cisco SD-WAN vManage Authorization Bypass Vulnerabilities |
| CVE-2021-1248 | 8.8 HIGH | Cisco Data Center Network Manager SQL Injection Vulnerabilities |
| CVE-2021-1247 | 8.8 HIGH | Cisco Data Center Network Manager SQL Injection Vulnerabilities |
| CVE-2021-1274 | 8.6 HIGH | Cisco SD-WAN Denial of Service Vulnerabilities |
| CVE-2021-1241 | 8.6 HIGH | Cisco SD-WAN Denial of Service Vulnerabilities |
| CVE-2021-1278 | 8.6 HIGH | Cisco SD-WAN Denial of Service Vulnerabilities |
| CVE-2021-1273 | 8.6 HIGH | Cisco SD-WAN Denial of Service Vulnerabilities |
| CVE-2021-1279 | 8.6 HIGH | Cisco SD-WAN Denial of Service Vulnerabilities |
| CVE-2021-1280 | 7.8 HIGH | Cisco Advanced Malware Protection for Endpoints and Immunet for Windows DLL Hijacking Vuln |
| CVE-2021-1277 | 7.5 HIGH | Cisco Data Center Network Manager Certificate Validation Vulnerabilities |
| CVE-2021-1364 | 6.5 MEDIUM | Cisco Unified Communications Products Vulnerabilities |
Showing top 20 of 58 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-1276
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