Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow Vulnerability

Added to KEV
2022-05-24
Federal due date
2022-06-14
Vendor
Cisco
Product
Adaptive Security Appliance (ASA)
EPSS
99.6th percentile (score 0.908, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2016-6366

CISA short description

A buffer overflow vulnerability in the Simple Network Management Protocol (SNMP) code of Cisco ASA software could allow an attacker to cause a reload of the affected system or 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.