{"cve":"CVE-1999-0159","nvd":{"published":"1998-08-12T04:00:00.000","modified":"2026-06-16T21:47:43.593","status":"Modified","description":"Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login).  This applies to some IOS 9.x, 10.x, and 11.x releases.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","score":3.5},"cwes":["CWE-400"],"references":["https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0159","https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0159"],"products":["cisco:ios"],"source":"nvd","synced_at":"2026-10-19T19:33:01.030757803+00:00"},"epss":{"cve":"CVE-1999-0159","score":0.01101,"percentile":0.65689,"date":"2026-10-31"},"kev":null,"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."]}