Cisco IOS Software Denial-of-Service Vulnerability

Added to KEV
2022-03-03
Federal due date
2022-03-17
Vendor
Cisco
Product
IOS Software
EPSS
82.8th percentile (score 0.017, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2018-0180

CISA short description

A vulnerability in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected system, resulting in a denial of service (DoS) condition.

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.