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CVE-2000-1090

25
FAUCET Score

CVE-2000-1090 is a vulnerability affecting Microsoft IIS for Far East editions 4.0 and 5.0, allowing remote attackers to read the source code of parsed pages. This is achieved by crafting a malformed URL that utilizes the lead-byte of a double-byte character. The vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity and potential for partial confidentiality impact. While there is no known exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion with 10 mentions, suggesting awareness and potential interest.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:far_east:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:5.0:*:*:*:far_east:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
16.66%
Probability of exploitation in next 30 days
EPSS Percentile
96.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1666 is in the 96th percentile among its peer group of 23,705 CVEs.

Social Chatter

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/5729
Third Party AdvisoryVDB Entry
nsfocus.com / english/homepage/sa_08.htm
Broken Link
securityfocus.com / bid/2100
Third Party AdvisoryVDB Entry