7.5

CVE-1999-0450: microsoft internet_information_server

CVSS: 7.5v2.0HighModified
Published 04-02-2000Last modified 01-08-2024
Open JSON

Vulnerability summary

CVE-1999-0450 is a high (CVSS 7.5) vulnerability in microsoft internet_information_server. EPSS estimates a 19.03% chance of exploitation in the next 30 days, higher than 97.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
44/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
19.03%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 04-02-2000
    PublishedVulnerability first disclosed.
  2. 01-08-2024
    Last modifiedVulnerability information updated.

Description

In IIS, an attacker could determine a real path using a request for a non-existent URL that would be interpreted by Perl (perl.exe).

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

19.03%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 19.03% on 20-09-2026

20-09-202620-10-2026
EPSS score
19.03%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaseremotewindowsVerified

    Microsoft IIS 5.0 - IISAPI Extension Enumerate Root Web Server Directory

    Maturity: weaponized

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft2 products

1 vendor · 2 products

References

1 links