SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-1999-1538

When IIS 2 or 3 is upgraded to IIS 4, ism.dll is inadvertently left in /scripts/iisadmin, which does not restrict access to the local machine and allows an unauthorized user to gain access to sensitive server information, including the Administrator's…

LOW 2.1EPSS 25.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 25.5%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

When IIS 2 or 3 is upgraded to IIS 4, ism.dll is inadvertently left in /scripts/iisadmin, which does not restrict access to the local machine and allows an unauthorized user to gain access to sensitive server information, including the Administrator's password.

CVSS 2.0
2.1 LOWAV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS
25.46% probability · 98th percentile
CISA KEV
Not listed
Affected
microsoft/internet information server
Source
cve@mitre.org

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