March 3, 2022 · Applied Cybernetics Group
CVE-2018-0159 — Cisco IOS Software and Cisco IOS XE Software
Cisco IOS and XE Software Internet Key Exchange Version 1 Denial-of-Service Vulnerability
- Added to KEV
2022-03-03- Federal due date
2022-03-17- Vendor
- Cisco
- Product
- IOS Software and Cisco IOS XE Software
- EPSS
- 91.6th percentile (score 0.070, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2018-0159
CISA short description
A vulnerability in the implementation of Internet Key Exchange Version 1 (IKEv1) functionality in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial-of-service (DoS) condition.
Required action
Apply updates per vendor instructions.