The HTTP server in Cisco IOS 12.0 through 12.1 allows local users to cause a denial of service (crash and reload) via a URL containing a "?/" string.
Loading...
Loading...
The HTTP server in Cisco IOS 12.0 through 12.1 allows local users to cause a denial of service (crash and reload) via a URL containing a "?/" string.
December 19, 2000
April 16, 2026
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Cisco IOS 12 - Software '?/' HTTP Request Denial of Service
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2000-0984
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.