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CVE-2000-1147

24
FAUCET Score

CVE-2000-1147 describes a buffer overflow vulnerability within the Internet Information Services (IIS) ISAPI .ASP parsing mechanism, specifically affecting Microsoft IIS 4.0. Attackers can exploit this by providing a lengthy string to the "LANGUAGE" argument within a script tag, potentially leading to arbitrary command execution. This vulnerability is rated Medium severity with a CVSS score of 4.6, indicating local access, low attack complexity, and partial impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or Metasploit/Nuclei modules, an exploit is available on ExploitDB, and there is no significant community discussion or media coverage surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.88%
Probability of exploitation in next 30 days
EPSS Percentile
94.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-20383 · Nov 6, 2000
This CVE's current EPSS score of 0.0788 is in the 99th percentile among its peer group of 3,050 CVEs.

Social Chatter

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, 0.0 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

exchange.xforce.ibmcloud.com / vulnerabilities/5510
securityfocus.com / archive/1/143070
ExploitPatchVendor Advisory
securityfocus.com / bid/1911
ExploitPatchVendor Advisory