Cisco IOS and IOS XE Software SNMP Remote Code Execution Vulnerability

Added to KEV
2022-03-03
Federal due date
2022-03-24
Vendor
Cisco
Product
IOS and IOS XE Software
EPSS
95.7th percentile (score 0.204, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2017-6737

CISA short description

The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS and IOS XE contains a vulnerability that could allow an authenticated, remote attacker to remotely execute code.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.