UPDATE: December 21, 2021- We have identified the products Systems Engineering sells and supports that are impacted by the log4j vulnerability. Affected products are listed below along with our plans to address each.
The November 2021 Microsoft Patch Tuesday updates were released on November, 9th. The full release covered 55 security updates and vulnerabilities found in Exchange Servers 2013, 2016, 2019. Included in this release is a patch that covers an actively exploited zero-day vulnerability classified as CVE-2021-42321 - Microsoft Exchange Server Remote Code Execution Vulnerability. This one vulnerability only affects on-premises and hybrid Exchange servers 2016, and 2019.
The July 2021 Microsoft Patch Tuesday updates were released on July 13. One of those patches addressed a publicly disclosed but unexploited, zero-day vulnerability classified as CVE-2021-34473 - Microsoft Exchange Server Remote Code Execution Vulnerability. This vulnerability affects on-premises Exchange servers 2013, 2016, and 2019, and was assigned a severity of critical.
UPDATE: July 27, 2021
In a Friday, July 23, 2021 announcement, the Kaseya Incident Response team reported no reports or issues with their remediation efforts for customers impacted by the July 2nd localized ransomware attack against their VSA on-premises product. Due to this positive report, Systems Engineering has resumed the use of the two unaffected Kaseya modules we were monitoring as a result of the original VSA attack.
UPDATE: July 7, 2021
As of July 6th, Microsoft has completed investigations and released security updates (patches) to address the Windows Print Spooler vulnerability. Systems Engineering recommends patching your workstations and servers to address this and any future vulnerabilities. Our clients who
On April 13, Microsoft released its monthly patches for vulnerabilities found within their products. In their release announcement, Microsoft strongly recommends prioritizing the CVE 2021 28481 security update which affects Exchange servers 2013, 2016, and 2019. This vulnerability allows hackers access to mailboxes to read or even exfiltrate sensitive information.
Systems Engineering is aware of the FBI and CISA joint security advisory indicating threat actors are potentially using multiple Common Vulnerabilities and Exposures (CVE) to exploit Fortinet operating systems, known as FortiOS. The advisory calls out three vulnerabilities that may be used to gain access to business networks to begin data exfiltration or data encryption attacks. Vulnerabilities include;