CVE-2017-12237 — Cisco IOS and IOS XE Software Internet Key Exchange Denial-of-Service Vulnerability
CVE-2017-12237: Cisco IOS and IOS XE Software Internet Key Exchange Denial-of-Service Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Cisco |
| Product | IOS and IOS XE Software |
| Date added | 2022-03-03 |
| Due date | 2022-03-24 |
| Ransomware campaign use | Unknown |
Description
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS and Cisco IOS XE could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of service.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2017-12237
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-12237
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog