CVE-1999-0680 json
Windows NT Terminal Server performs extra work when a client opens a new connection but before it is authenticated, allowing for a denial o…
published 1999-08-09 27 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0662
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.7%
- EPSS 5.7% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
Windows NT Terminal Server performs extra work when a client opens a new connection but before it is authenticated, allowing for a denial of service.
Patch / fix
- securityfocus.com/bid/571 advisory
Exploit prediction
5.68% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- securityfocus.com http://www.securityfocus.com/bid/571 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
securityfocus.com
/bid/571
vdb-entry, exploit, patch, vendor-advisory
-
support.microsoft.com
/default.aspx?scid=kb%3B%5BLN%5D%3BQ238600
vendor-advisory
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/1999/ms99-028
vendor-advisory
-
ciac.org
/ciac/bulletins/j-057.shtml
third-party-advisory, government-resource
Sources
- CVE List CVE-1999-0680
- NVD CVE-1999-0680
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