March 25, 2022 · Applied Cybernetics Group
CVE-2017-3881 — Cisco IOS and IOS XE
Cisco IOS and IOS XE Remote Code Execution Vulnerability
- Added to KEV
2022-03-25- Federal due date
2022-04-15- Vendor
- Cisco
- Product
- IOS and IOS XE
- EPSS
- 99.9th percentile (score 0.990, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2017-3881
CISA short description
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.
Required action
Apply updates per vendor instructions.