CVE-2018-0956

HIGH
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

A denial of service vulnerability exists in the HTTP 2.0 protocol stack (HTTP.sys) when HTTP.sys improperly parses specially crafted HTTP 2.0 requests, aka "HTTP.sys Denial of Service Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.

References

http://www.securityfocus.com/bid/103650

http://www.securitytracker.com/id/1040661

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0956

Details

Source: MITRE

Published: 2018-04-12

Updated: 2020-08-24

Risk Information

CVSS v2

Base Score: 7.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Tenable Plugins

View all (5 total)

IDNameProductFamilySeverity
108967KB4093119: Windows 10 Version 1607 and Windows Server 2016 April 2018 Security UpdateNessusWindows : Microsoft Bulletins
high
108964KB4093112: Windows 10 Version 1709 and Windows Server Version 1709 April 2018 Security Update (Meltdown)(Spectre)NessusWindows : Microsoft Bulletins
high
108963KB4093111: Windows 10 April 2018 Security UpdateNessusWindows : Microsoft Bulletins
high
108961KB4093109: Windows 10 Version 1511 April 2018 Security UpdateNessusWindows : Microsoft Bulletins
high
108960KB4093107: Windows 10 Version 1703 April 2018 Security UpdateNessusWindows : Microsoft Bulletins
high