Microsoft officially disclosed it investigating two zero-working day security vulnerabilities impacting Trade Server 2013, 2016, and 2019 adhering to studies of in-the-wild exploitation.
“The first vulnerability, identified as CVE-2022-41040, is a Server-Aspect Request Forgery (SSRF) vulnerability, even though the 2nd, identified as CVE-2022-41082, makes it possible for distant code execution (RCE) when PowerShell is available to the attacker,” the tech large stated.
The corporation also confirmed that it really is aware of “limited focused attacks” weaponizing the flaws to get original accessibility to focused methods, but emphasized that authenticated accessibility to the vulnerable Trade Server is essential to obtain profitable exploitation.
The attacks detailed by Microsoft show that the two flaws are stringed with each other in an exploit chain, with the SSRF bug enabling an authenticated adversary to remotely set off arbitrary code execution.
The Redmond-centered organization also confirmed that it truly is operating on an “accelerated timeline” to thrust a repair, although urging on premises Microsoft Trade shoppers to increase a blocking rule in IIS Manager as a non permanent workaround to mitigate likely threats.
It’s truly worth noting that Microsoft Exchange On the net Buyers are not impacted. The ways to incorporate the blocking rule are as follows –
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