VULNERABILITY INTELLIGENCE

CVE-2009-1135

CVSS score9 HIGH
EPSS probability26.45%
CISA KEVNot currently listed
Published2009-07-15
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:S/C:C/I:C/A:C

Description

Microsoft Internet Security and Acceleration (ISA) Server 2006 Gold and SP1, when Radius OTP is enabled, uses the HTTP-Basic authentication method, which allows remote attackers to gain the privileges of an arbitrary account, and access published web pages, via vectors involving attempted access to a network resource behind the ISA Server, aka "Radius OTP Bypass Vulnerability."

Primary references