CVE-2026-20037
mediumpriority · track · 0EPSS 0.001 · 1 %ileDEEUUSEPSS · scored 2026-10-27
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.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixed4.0(1a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(1b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(1c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(1d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(2a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(2b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(2d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(2e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4f)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4g)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4h)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4i)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4k)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4l)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4m)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4n)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.0(4o)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(1a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(1b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(1c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(1d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(1e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(2a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(2b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(2c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3f)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3h)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3i)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3j)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3k)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3l)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3m)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(3n)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.1(4a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(1c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(1d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(1f)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(1i)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(1k)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(1l)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(1m)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(1n)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(2a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(2c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(2d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(2e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3g)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3h)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3i)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3j)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3k)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3l)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3m)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3n)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3o)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.2(3p)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(2b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(2c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(2e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(2f)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(3a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(3c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(4a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(4b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(4c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(4d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(4e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(4f)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(5a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(5c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(5d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(5e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(6a)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(6b)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(6c)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(6d)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed4.3(6e)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (185)
Products and version ranges known to be affected.
- Cisco Unified Computing System (UCS) 6400 Series Fabric Interconnectsall versionscert_bundDEcpe:/h:cisco:unified_computing_system:6400_series_fabric_interconnects
- Cisco Unified Computing System (UCS) 6500 Series Fabric Interconnectsall versionscert_bundDEcpe:/h:cisco:unified_computing_system:6500_series_fabric_interconnects
- Cisco Unified Computing System (UCS) X-Series Direct Fabric Interconnects 9108 100Gall versionscert_bundDEcpe:/h:cisco:unified_computing_system:x-series_direct_fabric_interconnects_9108_100g
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0524Cisco Unified Computing System (UCS) Manager Software: Mehrere SchwachstellenDeutsch2026-02-25csaf · cert_bundDE
Ein entfernter, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in Cisco Unified Computing System (UCS) ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, erweiterte Berechtigungen zu erlangen und Daten zu ändern.
- cisco-sa-ucsm-afwae-mOgUfyLnCisco UCS Manager Software Privilege Escalation Vulnerability2026-02-25csaf · cisco_csafUS
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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is part of the February 2026 Cisco FXOS and NX-OS Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: February 2026 Semiannual Cisco FXOS and NX-OS Software Security Advisory Bundled Publication ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-75740"].
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsm-afwae-mOgUfyLncnnvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsm-afwae-mOgUfyLnenisa_euvd
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsm-afwae-mOgUfyLnnvd
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