Vulnerability Database

289,697

Total vulnerabilities in the database

CVE-1999-1591

Microsoft Internet Information Services (IIS) server 4.0 SP4, without certain hotfixes released for SP4, does not require authentication credentials under certain conditions, which allows remote attackers to bypass authentication requirements, as demonstrated by connecting via Microsoft Visual InterDev 6.0.

  • Published: Dec 31, 1999
  • Updated: Apr 13, 2023
  • CVE: CVE-1999-1591
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

No CWE or OWASP classifications available.

Software From Fixed in
microsoft / visual_interdev 6.0 6.0.x
microsoft / internet_information_server 4.0-sp4 4.0-sp4.x