Medium severity · published Feb 25, 2026
CVE-2026-20036
Cisco UCS Manager Software Command Injection Vulnerability
6.5
CVSS
0.5%
EPSS
No
On KEV
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.
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)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CU
Cisco Unified Computing System (Managed) · Cisco
4.0(4h); 4.1(1a); 4.0(1c); 4.0(4a); 4.0(1a); 4.0(1d); +34 more · source: vendor
Affected product
CU
Cisco Unified Computing System (Managed)
Cisco
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