SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2000-0457

ISM.DLL in IIS 4.0 and 5.0 allows remote attackers to read file contents by requesting the file and appending a large number of encoded spaces (%20) and terminated with a .htr extension, aka the ".HTR File Fragment Reading" or "File Fragment Reading via…

HIGH 7.5EPSS 52.8%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 52.8%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

ISM.DLL in IIS 4.0 and 5.0 allows remote attackers to read file contents by requesting the file and appending a large number of encoded spaces (%20) and terminated with a .htr extension, aka the ".HTR File Fragment Reading" or "File Fragment Reading via .HTR" vulnerability.

CVSS 2.0
7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS
52.75% probability · 99th percentile
CISA KEV
Not listed
Affected
microsoft/internet information server · microsoft/internet information services
Source
cve@mitre.org

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