🔐 CVE Alert

CVE-2026-20037

MEDIUM 4.4

Cisco UCS Manager File Write Vulnerability

CVSS Score
4.4
EPSS Score
0.0%
EPSS Percentile
0th

A vulnerability in the NX-OS CLI privilege levels of Cisco UCS Manager Software could allow an authenticated, local attacker with read-only privileges to modify files and perform unauthorized actions on an affected system.   This vulnerability exists because unnecessary privileges are given to the user. An attacker could exploit this vulnerability by authenticating to a device as a read-only user and connecting to the NX-OS CLI. A successful exploit could allow the attacker to create or overwrite files in the file system or perform limited privileged actions on an affected device.   

CWE CWE-250
Vendor cisco
Product cisco unified computing system (managed)
Ecosystems
Industries
NetworkingTelecommunications
Published Feb 25, 2026
Last Updated Feb 25, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

Cisco / Cisco Unified Computing System (Managed)
4.0(4c) 4.0(2b) 4.1(2a) 4.0(1a) 4.0(2a) 4.0(1b) 4.1(1c) 4.0(4a) 4.0(4b) 4.0(2e) 4.1(1a) 4.0(4d) 4.0(4h) 4.0(4g) 4.0(1d) 4.1(1e) 4.0(4f) 4.0(4e) 4.0(4i) 4.1(1d) 4.0(2d) 4.1(1b) 4.0(1c) 4.1(2b) 4.0(4k) 4.1(3a) 4.1(3b) 4.1(2c) 4.0(4l) 4.1(4a) 4.1(3c) 4.1(3d) 4.2(1c) 4.2(1d) 4.0(4m) 4.1(3e) 4.2(1f) 4.1(3f) 4.2(1i) 4.1(3h) 4.2(1k) 4.2(1l) 4.0(4n) 4.2(1m) 4.1(3i) 4.2(2a) 4.2(1n) 4.1(3j) 4.2(2c) 4.2(2d) 4.2(3b) 4.1(3k) 4.0(4o) 4.2(2e) 4.2(3d) 4.2(3e) 4.2(3g) 4.1(3l) 4.3(2b) 4.2(3h) 4.2(3i) 4.3(2c) 4.1(3m) 4.3(2e) 4.3(3a) 4.2(3j) 4.3(3c) 4.3(4a) 4.2(3k) 4.3(4b) 4.3(4c) 4.2(3l) 4.3(4d) 4.3(2f) 4.2(3m) 4.3(5a) 4.3(4e) 4.1(3n) 4.3(4f) 4.2(3n) 4.3(5c) 4.2(3o) 4.3(5d) 4.3(6a) 4.3(6b) 4.3(5e) 4.3(6c) 4.2(3p) 4.3(6d) 4.3(6e)

References

NVD ↗ CVE.org ↗ EPSS Data ↗
sec.cloudapps.cisco.com: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsm-afwae-mOgUfyLn