SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-1135

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…

HIGH 9.0EPSS 26.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 26.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

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."

CVSS 2.0
9.0 HIGHAV:N/AC:L/Au:S/C:C/I:C/A:C
EPSS
26.45% probability · 98th percentile
CISA KEV
Not listed
Weakness
CWE-264
Affected
microsoft/isa server
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.