CISA KEV

CVE-2017-3881

Cisco IOS and IOS XE Remote Code Execution Vulnerability

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.

VendorCisco

ProductIOS and IOS XE

EPSS99.0%

Added to KEVMar 25, 2022

Remediation DueApr 15, 2022

Known Ransomware UseUnknown

CWECWE-20

Required Action

Apply updates per vendor instructions.

From Disclosure to Action

Know how quickly you need to move.

For CVE-2017-3881, added to the catalogue on Mar 25, 2022 with a remediation deadline of Apr 15, 2022.

Added to KEVMar 25, 2022

Seraph AlertSame day

Remediation DueApr 15, 2022

ValidationOngoing

Overdue1657 days overdue

Recommended action: Apply vendor remediation guidance.

Seraph Context

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References

https://nvd.nist.gov/vuln/detail/CVE-2017-3881

More from Cisco in the KEV catalogue.

CVE-2026-20349Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Added Aug 11, 2026 CVE-2026-20316Secure Firewall Management Center (FMC)Added Jul 29, 2026 CVE-2008-4128IOSAdded Jul 13, 2026

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