CVE-2000-0991 describes a buffer overflow vulnerability in Hilgraeve HyperTerminal clients running on Windows 98, ME, and 2000. This flaw allows remote attackers to execute arbitrary commands by supplying a specially crafted, excessively long telnet URL. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low complexity, potentially leading to full compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, public exploit code exists in ExploitDB, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 6.0CPE matchmatch criteria | cpe:2.3:a:hilgraeve:hyperterminal:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.