CVE-2021-1255— Cisco Data Center Network Manager REST API Vulnerabilities
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I. Basic Information for CVE-2021-1255
Vulnerability Information
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Vulnerability Title
Cisco Data Center Network Manager REST API Vulnerabilities
Source: NVD (National Vulnerability Database)
Vulnerability Description
Multiple vulnerabilities in the REST API endpoint of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to view, modify, and delete data without proper authorization. For more information about these vulnerabilities, see the Details section of this advisory.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
不完整的黑名单
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco DNA Center software 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco DNA Center software是美国思科（Cisco）公司的一款软件。 Cisco DNA Center software 中存在访问控制错误漏洞。该漏洞允许经过身份验证的远程攻击者在没有适当授权的情况下查看、修改和删除数据。
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-2021-1255
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-api-path-TpTApx2pvendor-advisoryx_refsource_CISCO
- https://nvd.nist.gov/vuln/detail/CVE-2021-1255
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-2021-1272 | 8.8 HIGH | Cisco Data Center Network Manager Server-Side Request Forgery Vulnerability |
| CVE-2021-1305 | 8.8 HIGH | Cisco SD-WAN vManage Authorization Bypass Vulnerabilities |
| CVE-2021-1247 | 8.8 HIGH | Cisco Data Center Network Manager SQL Injection Vulnerabilities |
| CVE-2021-1248 | 8.8 HIGH | Cisco Data Center Network Manager SQL Injection Vulnerabilities |
| CVE-2021-1302 | 8.8 HIGH | Cisco SD-WAN vManage Authorization Bypass Vulnerabilities |
| CVE-2021-1304 | 8.8 HIGH | Cisco SD-WAN vManage Authorization Bypass Vulnerabilities |
| CVE-2021-1274 | 8.6 HIGH | Cisco SD-WAN Denial of Service Vulnerabilities |
| CVE-2021-1279 | 8.6 HIGH | Cisco SD-WAN Denial of Service Vulnerabilities |
| CVE-2021-1278 | 8.6 HIGH | Cisco SD-WAN Denial of Service Vulnerabilities |
| CVE-2021-1241 | 8.6 HIGH | Cisco SD-WAN Denial of Service Vulnerabilities |
| CVE-2021-1273 | 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-2021-1276 | 7.5 HIGH | Cisco Data Center Network Manager Certificate Validation Vulnerabilities |
| CVE-2021-1277 | 7.5 HIGH | Cisco Data Center Network Manager Certificate Validation Vulnerabilities |
Showing top 20 of 58 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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Cisco Data Center Network Manager Path Traversal Vulnerabil - CVE-2020-3539
Cisco Data Center Network Manager Authorization Bypass Vulne - CVE-2024-20536
Cisco Nexus Dashboard Fabric Controller SQL Injection Vulner
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Same weakness: CWE-184
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OpenClaw < 2026.4.22 - Shell Expansion Bypass in Unquoted He - CVE-2026-44114
OpenClaw < 2026.4.20 - Environment Variable Namespace Collis - CVE-2026-43584
OpenClaw < 2026.4.10 - Insufficient Environment Variable Den - CVE-2026-43578
OpenClaw 2026.3.31 < 2026.4.10 - Privilege Escalation via Mi - CVE-2026-41934
Vvveb < 1.0.8.2 Authenticated RCE via Code Editor
V. Comments for CVE-2021-1255
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