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CVE-1999-0680

18
FAUCET Score

CVE-1999-0680 describes a denial-of-service vulnerability in Microsoft Windows NT Terminal Server. This flaw allows an unauthenticated attacker to exhaust server resources by repeatedly initiating new connections before authentication, leading to service disruption. With a CVSS score of 5.0 (Medium), it is easily exploitable over the network with low complexity, resulting in partial availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:microsoft:terminal_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.73%
Probability of exploitation in next 30 days
EPSS Percentile
92.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0573 is in the 89th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.microsoft.com / en-us/security-updates/securitybulletins/1999/ms99-028
support.microsoft.com / default.aspx
ciac.org / ciac/bulletins/j-057.shtml
securityfocus.com / bid/571
ExploitPatchVendor Advisory