Applied Cybernetics Group
Threat intel → detection pipeline
Monday, October 5, 2026
Data as of 09:42 UTC

Cisco IOS Software Integrated Services Module for VPN Denial-of-Service Vulnerability

Added to KEV
2022-03-03
Federal due date
2022-03-17
Vendor
Cisco
Product
IOS Software
EPSS
94.0th percentile (score 0.071, as of 2026-10-04)
NVD CVSS v3.1
—
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2018-0154

CISA short description

A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause 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.