14-Alexandrite

Solved

impact from Microsoft DCOM enhanced security(KB5004442)

Forum|Forum|4 years ago
March 18, 2022
1 reply
1451 views

Hi Team,

I'd like to check whether KB5004442 impact on all connections between TW(9.2.3) tools and other servers or not.

Security

Best answer by VladimirN

Hi,

Found a mention of this update in the following articles:

"Windows DCOM server security feature bypass impact on PTC ThingWorx Products": https://www.ptc.com/en/support/article/cs364906
"Unable to establish OPC DA communication after installing Microsoft DCOM Hardening patches (CVE-2021-26414) with PTC Kepware Products": https://www.ptc.com/en/support/article/cs350729

Answer

24-Ruby III

Hi,

Found a mention of this update in the following articles:

"Windows DCOM server security feature bypass impact on PTC ThingWorx Products": https://www.ptc.com/en/support/article/cs364906
"Unable to establish OPC DA communication after installing Microsoft DCOM Hardening patches (CVE-2021-26414) with PTC Kepware Products": https://www.ptc.com/en/support/article/cs350729