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CVE-2026-20288— Cisco IMC Remote Code Execution Vulnerability Remote Code Execution Vulnerability

Quick assessment

Affected
Cisco Cisco Enterprise NFV Infrastructure Software
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 Integrated Management Controller是美国Cisco公司的一套服务器管理控制软件。 Cisco Integrated Management Controller存在输入验证错误漏洞，该漏洞源于用户输入验证不当，可能允许经过身份验证的远程管理员执行任意命令并将权限提升至root。

CVSS 6.5 · Medium EPSS 0.64% · P49

Affected Version Matrix 254

VendorProduct Version RangeStatus
Cisco Cisco Enterprise NFV Infrastructure Software 4.1.1 affected
3.9.1 affected
3.5.2 affected
3.12.2 affected
3.6.2 affected
3.9.2 affected
3.11.3 affected
3.11.1 affected
… +61 more rows
Cisco Cisco Unified Computing System (Standalone) 4.0(2g) affected
3.1(2i) affected
3.1(1d) affected
4.0(4i) affected
4.1(1c) affected
4.0(2c) affected
4.0(1e) affected
4.0(2h) affected
… +148 more rows
Cisco Cisco Unified Computing System E-Series Software (UCSE) 3.2.7 affected
3.2.6 affected
3.2.4 affected
3.2.10 affected
3.2.2 affected
3.2.3 affected
3.2.1 affected
3.2.11.1 affected
… +21 more rows
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I. Basic Information for CVE-2026-20288

Vulnerability Information
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Vulnerability Title
Cisco IMC Remote Code Execution Vulnerability Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with Admin privileges to execute arbitrary commands on the underlying operating system of an affected system and elevate privileges to root.  This vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by entering crafted inputs to the web-based management interface of the affected software. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system as the root user.  Cisco has assigned this vulnerability a SIR of High rather than Medium as the score indicates because additional security implications could occur when the attacker becomes root.
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
表达式/命令分隔符转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Integrated Management Controller 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Integrated Management Controller是美国Cisco公司的一套服务器管理控制软件。 Cisco Integrated Management Controller存在输入验证错误漏洞，该漏洞源于用户输入验证不当，可能允许经过身份验证的远程管理员执行任意命令并将权限提升至root。
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 Enterprise NFV Infrastructure Software 4.1.1 -
Cisco Cisco Unified Computing System (Standalone) 4.0(2g) -
Cisco Cisco Unified Computing System E-Series Software (UCSE) 3.2.7 -

II. Public POCs for CVE-2026-20288

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III. Intelligence Information for CVE-2026-20288

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Vendor Advisories for CVE-2026-20288 (1)

Same Patch Batch · Cisco · 2026-08-05 · 23 CVEs total

CVE-2026-20304 9.9 CRITICAL Cisco Catalyst SD-WAN Security Hardening Release - Access Control Vulnerabilities
CVE-2026-20303 9.9 CRITICAL Cisco Catalyst SD-WAN Security Hardening Release - Input Validation Vulnerabilities
CVE-2026-20272 9.8 CRITICAL Cisco IOS XE Software Security Hardening Release
CVE-2026-20310 9.1 CRITICAL Cisco SD-WAN Software Security Hardening Release - Improper Link Resolution Before File Ac
CVE-2026-20267 9.0 CRITICAL Cisco IOS XE Software Security Hardening Release
CVE-2026-20312 8.8 HIGH Cisco Catalyst SD-WAN Security Hardening Release - Information Disclosure Vulnerabilities
CVE-2026-20200 8.8 HIGH Cisco Integrated Management Controller Argument Injection and Remote Code Execution Vulner
CVE-2026-20263 8.6 HIGH Cisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service Vulnerability
CVE-2026-20268 8.6 HIGH Cisco IOS XE Software Security Hardening Release
CVE-2026-20269 8.6 HIGH Cisco IOS XE Software Security Hardening Release
CVE-2026-20270 8.6 HIGH Cisco IOS XE Software Security Hardening Release
CVE-2026-20271 8.6 HIGH Cisco IOS XE Software Security Hardening Release
CVE-2026-20273 8.6 HIGH Cisco IOS XE Software Security Hardening Release
CVE-2026-20301 8.6 HIGH Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Serv
CVE-2026-20313 7.7 HIGH Cisco Catalyst SD-WAN Security Hardening Release - Memory Corruption Vulnerabilities
CVE-2026-20124 7.7 HIGH Cisco IOS XE Software SNMP Denial of Service Vulnerability
CVE-2026-20294 6.5 MEDIUM Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability
CVE-2026-20311 6.3 MEDIUM Cisco IOS XE Software Web UI Denial of Service Vulnerability
CVE-2026-20289 5.7 MEDIUM Cisco RoomOS Logging Subsystem Information Disclosure Vulnerability
CVE-2026-20028 5.0 MEDIUM Cisco Terminal Services Agent Firewall Rules Bypass Vulnerability

Showing top 20 of 23 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Cisco Enterprise NFV Infrastructure Software
Same vendor: Cisco
Same weakness: CWE-146

V. Comments for CVE-2026-20288

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