SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-1999-1537

IIS 3.x and 4.x does not distinguish between pages requiring encryption and those that do not, which allows remote attackers to cause a denial of service (resource exhaustion) via SSL requests to the HTTPS port for normally unencrypted files, which will…

MEDIUM 5.0EPSS 8.53%

Does this matter?

Lower severity and a low EPSS score (8.53%). Track it; it rarely justifies an emergency change on its own.

Description

IIS 3.x and 4.x does not distinguish between pages requiring encryption and those that do not, which allows remote attackers to cause a denial of service (resource exhaustion) via SSL requests to the HTTPS port for normally unencrypted files, which will cause IIS to perform extra work to send the files over SSL.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
8.53% probability · 95th 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.