SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-1999-0867

Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.

MEDIUM 5.0EPSS 21.5%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 21.5%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.

Description

Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS
21.52% probability · 97th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
microsoft/commercial internet system · microsoft/internet information server · microsoft/site server
Source
cve@mitre.org

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