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CVE-2000-0991

Medium

Elevated severity or exploit probability.

CVSS base
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS — probability of exploitation (30 days)
9.7%
95.3th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2000-12-19 · modified 2026-09-23

Description

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.

Affected

hilgraeve

References

Official: NVD · CVE.org