Medium severity · published Aug 5, 2026
CVE-2026-20288
Cisco IMC Remote Code Execution Vulnerability Remote Code Execution Vulnerability
6.5
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CE
Cisco Enterprise NFV Infrastructure Software · Cisco
4.1.1; 3.9.1; 3.5.2; 3.12.2; 3.6.2; 3.9.2; +34 more · source: vendor
CU
Cisco Unified Computing System (Standalone) · Cisco
4.0(2g); 3.1(2i); 3.1(1d); 4.0(4i); 4.1(1c); 4.0(2c); +34 more · source: vendor
CU
Cisco Unified Computing System E-Series Software (UCSE) · Cisco
3.2.7; 3.2.6; 3.2.4; 3.2.10; 3.2.2; 3.2.3; +23 more · source: vendor
UC
Unified Computing System · Cisco
3.1(1d); 3.1(2b); 3.1(2c); 3.1(2d); 3.1(2e); 3.1(2g); +34 more · source: NVD
UC
Unified Computing System E-series Software · Cisco
3.1.0; 3.1.1; 3.1.2; 3.1.3; 3.1.4; 3.1.5; +23 more · source: NVD
Affected product
CE
Cisco Enterprise NFV Infrastructure Software
Cisco
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-20288
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-20288
Vendor Advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-arg-inject-upSHdMfU
More from Cisco Enterprise NFV Infrastructure Software
9.8
CVE-2026-20093
Cisco Integrated Management Controller Authentication Bypass Vulnerability
7.1
CVE-2026-20293
Cisco UCS and UCS-Based Appliances UEFI Shell Secure Boot Bypass Vulnerability
6.5
CVE-2026-20096
Cisco Integrated Management Controller Command Injection Vulnerability
6.5
CVE-2026-20095
Cisco Integrated Management Controller Command Injection Vulnerability
6.1
CVE-2026-20085
Cisco Integrated Management Controller Cross-Site Scripting Vulnerability
