Vulnerability Database

308,820

Total vulnerabilities in the database

CVE-2000-0991

Buffer overflow in Hilgraeve, Inc. HyperTerminal client on Windows 98, ME, and 2000 allows remote attackers to execute arbitrary commands via a long telnet URL, aka the "HyperTerminal Buffer Overflow" vulnerability.

  • Published: Dec 19, 2000
  • Updated: Nov 9, 2025
  • CVE: CVE-2000-0991
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

No CWE or OWASP classifications available.

Software From Fixed in
hilgraeve / hyperterminal - 6.0.x