CVE-2000-0246

Exp

IIS 4.0 and 5.0 does not properly perform ISAPI extension processing if a virtual directory is mapped to a UNC share, which allows remote attackers to read the source code of ASP and other files, aka the "Virtualized UNC Share" vulnerability.

Published: 2000-03-30 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2000-0246 is rated High Exploit Risk (74.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 83.62%, 99th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +7.30% over the last day, indicating growing attacker interest. 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-2000-0246

EDB-ID Source Kind Published Link
19824 exploit_db edb 2000-03-30 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2000-0246

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 2025-12-28 76.32% 83.62% +7.30%
2 2025-12-27 83.62% 76.32% -7.30%
3 2025-10-28 — 83.62% —

Full EPSS history (15 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2000-0246

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2000-0246

Affected software / configurations for CVE-2000-0246

Vendor Product Version Raw CPE
microsoft commercial_internet_system 2.0 cpe:2.3:a:microsoft:commercial_internet_system:2.0:*:*:*:*:*:*:*
microsoft commercial_internet_system 2.5 cpe:2.3:a:microsoft:commercial_internet_system:2.5:*:*:*:*:*:*:*
microsoft internet_information_server 4.0 cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*
microsoft internet_information_services 5.0 cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*
microsoft proxy_server 2.0 cpe:2.3:a:microsoft:proxy_server:2.0:*:*:*:*:*:*:*
microsoft site_server 3.0 cpe:2.3:a:microsoft:site_server:3.0:*:*:*:*:*:*:*
microsoft site_server_commerce 3.0 cpe:2.3:a:microsoft:site_server_commerce:3.0:*:*:*:*:*:*:*

References for CVE-2000-0246

cvelogic Threat Intelligence