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CVE-2017-3881CISA KEV

Cisco IOS and IOS XE Remote Code Execution Vulnerability

CISA lists this Cisco IOS and IOS XE vulnerability as known exploited. The vendor's advisory has the fixed versions.

CISA KEVVendor advisoryNVD

CISA catalog record

A vulnerability in the Cisco Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device or remotely execute code with elevated privileges.

Product
IOS and IOS XE
Added to KEV
25 Mar 2022
Federal remediation due
15 Apr 2022
Known ransomware use
Not reported

What changed

First observed 14 Oct 2026

No field changes in the recorded history.

Cite this recorded revision to keep the same title, summary, facts and links when the page changes.

A day selects the latest observation by the end of that UTC day; today's selection can change until midnight. History starts when this installation records it.

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 14 Oct 12:55 UTC · 254 of 255 readable · 253 fully read · documentation 0/409 current

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