CVE-2000-0457 describes a critical vulnerability in ISM.DLL within Microsoft IIS 4.0 and 5.0, allowing remote attackers to read arbitrary file contents. This is achieved by crafting a malformed HTTP request that appends numerous encoded spaces and a .htr extension to a requested file. The vulnerability carries a high CVSS score of 7.5, indicating a network-based attack with low complexity and potential for partial confidentiality, integrity, and availability impact. While not currently on the CISA KEV catalog, an exploit is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.0CPE matchmatch criteria | cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:* | ||
5.0CPE matchmatch criteria | cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
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, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.