CVE-2017-12237 · netVigilance record NV22-0127
Cisco IOS and IOS XE Software Internet Key Exchange Denial-of-Service
past due
What to do
Apply updates per vendor instructions.
CISA deadline 2022-03-24 · passed 4 years 5 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Cisco IOS and IOS XE Software. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-399.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 4 years 5 months ago
Sources
- NVD entry for CVE-2017-12237 nvd.nist.gov/vuln/detail/CVE-2017-12237
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2017-12237