CVE-2026-20036— Cisco UCS Manager Software Command Injection Vulnerability
Quick assessment
Affected
Cisco Cisco Unified Computing System (Managed)
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 UCS Manager Software是美国思科（Cisco）公司的一款设备管理软件。 Cisco UCS Manager Software存在操作系统命令注入漏洞，该漏洞源于对用户提供的命令参数输入验证不足，可能导致具有管理权限的攻击者执行任意命令。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-20036
Vulnerability Information
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Vulnerability Title
Cisco UCS Manager Software Command Injection Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the CLI and web-based management interface of Cisco UCS Manager Software could allow an authenticated, remote attacker with valid administrative privileges to execute arbitrary commands on the underlying operating system of an affected device.
This vulnerability is due to insufficient input validation of command arguments that are supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system of an affected device with root-level privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco UCS Manager Software 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco UCS Manager Software是美国思科（Cisco）公司的一款设备管理软件。 Cisco UCS Manager Software存在操作系统命令注入漏洞，该漏洞源于对用户提供的命令参数输入验证不足，可能导致具有管理权限的攻击者执行任意命令。
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 Unified Computing System (Managed) | 4.0(4h) | - |
|
II. Public POCs for CVE-2026-20036
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-20036 (1)
Same Patch Batch · Cisco · 2026-02-25 · 15 CVEs total
| CVE-2026-20127 | 10.0 CRITICAL | Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability |
| CVE-2026-20129 | 9.8 CRITICAL | Cisco Catayst SD-WAN Authentication Bypass Vulnerability |
| CVE-2026-20126 | 8.8 HIGH | Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability |
| CVE-2026-20048 | 7.7 HIGH | Cisco NX-OS Software SNMP Denial of Service Vulnerability |
| CVE-2026-20128 | 7.5 HIGH | Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability |
| CVE-2026-20033 | 7.4 HIGH | Cisco NX-OS Software Denial of Service Vulnerability |
| CVE-2026-20010 | 7.4 HIGH | Cisco Nexus 3000 and 9000 Series Switches Link Layer Discovery Protocol Denial of Service |
| CVE-2026-20051 | 7.4 HIGH | Cisco Nexus 3600-R and 9500-R Series Switching Platforms Layer 2 Loop Denial of Service Vu |
| CVE-2026-20099 | 6.7 MEDIUM | Cisco UCS Manager and FXOS Software Command Injection Vulnerability |
| CVE-2026-20133 | 6.5 MEDIUM | Cisco Catalyst SD-WAN Manager（Cisco SD-WAN vManage） 信息泄露漏洞 |
| CVE-2026-20107 | 5.5 MEDIUM | Cisco Application Policy Infrastructure Controller Denial of Service Vulnerability |
| CVE-2026-20122 | 5.4 MEDIUM | Cisco Catalyst SD-WAN Manager Arbitrary File Overwrite Vulnerability |
| CVE-2026-20091 | 4.8 MEDIUM | Cisco UCS Manager and FXOS Software Stored Cross-Site Scripting Vulnerability |
| CVE-2026-20037 | 4.4 MEDIUM | Cisco UCS Manager File Write Vulnerability |
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V. Comments for CVE-2026-20036
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