CVE-1999-1593

Exp

Windows Internet Naming Service (WINS) allows remote attackers to cause a denial of service (connectivity loss) or steal credentials via a 1Ch registration that causes WINS to change the domain controller to point to a malicious server. NOTE: this problem may be limited when Windows 95/98 clients are used, or if the primary domain controller becomes unavailable.

Published: 2009-01-15 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-1593 is rated High Exploit Risk (76.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.20%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-1999-1593

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-1999-1593

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-10-23 3.60% 4.20% +0.60%
2 2025-10-01 4.20% 3.60% -0.60%
3 2025-03-30 — 4.20% —

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1593

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.6 2.0 HIGH
AV:N/AC:H/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 4.9 10.0 [email protected]

Weakness enumeration for CVE-1999-1593

Affected software / configurations for CVE-1999-1593

Vendor Product Version Raw CPE
microsoft windows_2000 — cpe:2.3:o:microsoft:windows_2000:-:*:*:*:*:*:*:*
microsoft windows_95 — cpe:2.3:o:microsoft:windows_95:-:*:*:*:*:*:*:*
microsoft windows_98 — cpe:2.3:o:microsoft:windows_98:-:*:*:*:*:*:*:*

References for CVE-1999-1593

URL Tags
http://archives.neohapsis.com/archives/ntbugtraq/1998-1999/msg00371.html Broken Link Third Party Advisory
http://seclists.org/bugtraq/2001/Jan/0264.html Mailing List Third Party Advisory
http://seclists.org/bugtraq/2001/Jan/0269.html Mailing List Third Party Advisory
http://seclists.org/bugtraq/2001/Jan/0271.html Mailing List Third Party Advisory
http://seclists.org/bugtraq/2001/Jan/0274.html Mailing List Third Party Advisory
http://seclists.org/bugtraq/2001/Jan/0276.html Mailing List Third Party Advisory
http://seclists.org/bugtraq/2001/Jan/0289.html Mailing List Third Party Advisory
http://seclists.org/bugtraq/2001/Jan/0298.html Mailing List Third Party Advisory
http://www.securityfocus.com/bid/2221 Third Party Advisory VDB Entry
https://www2.sans.org/reading_room/whitepapers/win2k/185.php Broken Link Exploit
cvelogic Threat Intelligence