SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2001-0709

Microsoft IIS 4.0 and before, when installed on a FAT partition, allows a remote attacker to obtain source code of ASP files via a URL encoded with Unicode.

MEDIUM 5.0EPSS 35.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 35.6%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Microsoft IIS 4.0 and before, when installed on a FAT partition, allows a remote attacker to obtain source code of ASP files via a URL encoded with Unicode.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
35.56% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
microsoft/internet information server
Source
cve@mitre.org
EPSS trend
0%20%40%26 October 2026: 35.56%26 October 202626 October 2026

EPSS 35.6% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.