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[NEW] [high] Cisco Nexus: Vulnerability enables execution of arbitrary code with administrator privileges

highCVE-2026-20212
A remote, anonymous attacker can exploit a vulnerability in Cisco Nexus to execute arbitrary code with administrator privileges.

CSIRTS triage

vendor: Ciscoproduct: NexusRemote code executionPrivilege escalation
What
A remote anonymous attacker can execute arbitrary code with administrator privileges on Cisco Nexus.
Who is affected
Cisco Nexus devices exposed to remote access, particularly untrusted networks.
Urgency
High severity; unauthenticated remote code execution with administrative privileges is critical.
Action
Apply Cisco security patch for CVE-2026-20212 or isolate affected Nexus devices.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-09-03
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3157

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-20212coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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