{"cve":"CVE-2018-0158","nvd":{"published":"2018-03-28T22:29:00.547","modified":"2026-06-17T01:29:57.937","status":"Analyzed","description":"A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak or a reload of an affected device that leads to a denial of service (DoS) condition. The vulnerability is due to incorrect processing of certain IKEv2 packets. An attacker could exploit this vulnerability by sending crafted IKEv2 packets to an affected device to be processed. A successful exploit could cause an affected device to continuously consume memory and eventually reload, resulting in a DoS condition. Cisco Bug IDs: CSCvf22394.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","score":8.6},"cwes":["CWE-401","CWE-20"],"references":["http://www.securityfocus.com/bid/103566","http://www.securitytracker.com/id/1040595","https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03","https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-ike"],"products":["cisco:ios","cisco:ios_xe"],"source":"nvd","synced_at":"2026-10-19T20:49:59.483420567+00:00"},"epss":{"cve":"CVE-2018-0158","score":0.0719,"percentile":0.94303,"date":"2026-10-31"},"kev":{"cve":"CVE-2018-0158","date_added":"2022-03-03","due_date":"2022-03-17","vendor":"Cisco","product":"IOS Software and Cisco IOS XE Software","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}