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CVE-1999-1397

24
FAUCET Score

CVE-1999-1397 describes an information disclosure vulnerability in Microsoft Index Server 2.0 running on IIS 4.0. This flaw allows both local and remote unauthenticated attackers to retrieve physical directory paths due to insecure permissions on the ContentIndex\Catalogs subkey within the AllowedPaths registry key. With a CVSS score of 7.5 (HIGH), the vulnerability is easily exploitable over the network with low attack complexity, potentially leading to partial confidentiality, integrity, and availability impacts. Despite its age and severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:microsoft:index_server:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
11.70%
Probability of exploitation in next 30 days
EPSS Percentile
95.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1170 is in the 93rd percentile among its peer group of 51,466 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media 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

Remediation records are not available for this CVE.

References

marc.info
marc.info
iss.net / security_center/static/7559.php
securityfocus.com / bid/476