CVE-2019-0865

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 when SymCrypt improperly handles a specially crafted digital signature.An attacker could exploit the vulnerability by creating a specially crafted connection or message.The security update addresses the vulnerability by correcting the way SymCrypt handles digital signatures., aka 'SymCrypt Denial of Service Vulnerability'.

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0865

Details

Source: MITRE

Published: 2019-07-15

Updated: 2020-08-24

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

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
126579KB4507469: Windows 10 Version 1809 and Windows Server 2019 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126575KB4507455: Windows 10 Version 1709 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126574KB4507453: Windows 10 Version 1903 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126572KB4507450: Windows 10 Version 1703 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high
126569KB4507435: Windows 10 Version 1803 July 2019 Security Update (SWAPGS)NessusWindows : Microsoft Bulletins
high