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May 11, 2022
CVE-2022-26923 - Active Directory Domain Services Elevation of Privilege Vulnerability
THE THREAT Microsoft has disclosed a new vulnerability impacting Active Directory Certificate Services (ADCS) tracked as CVE-2022-26923 (Active Directory Domain Services Elevation of Privilege Vulnerability). If exploited successfully, an authenticated attacker can escalate privileges in environments where ADCS is running on the domain. eSentire is aware of technical details and tooling [2] for…
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eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1200+ organizations in 75+ countries from known and unknown cyber threats. Founded in 2001, the company’s mission is to hunt, investigate and stop cyber threats before they become business disrupting events.
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Cybersecurity Leader eSentire Continues Its Commitment to Rigorous Security Standards Earning PCI DSS Certification
Waterloo, ON, May 17, 2022 — eSentire, the Authority in Managed Detection and Response (MDR), maintains one of the most secure and robust IT environments of any MDR provider in the industry. To that end, eSentire today announced that it has received the Payment Card Industry Data Security Standard (PCI DSS) certification, considered one of the most stringent and comprehensive payment card…
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Security advisories — Jul 12, 2021

SolarWinds Serv-U Zero-Day Vulnerability

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THE THREAT

SolarWinds announced that a zero-day vulnerability exists in the Serv-U Managed File Transfer Server and Serv-U Secured FTP products and is under active exploitation by at least one threat actor group. The vulnerability is tracked as CVE-2021-35211; it is categorized as a Remote Code Execution (RCE) vulnerability, and exploitation may allow a threat actor to run arbitrary code with privileges.

SolarWinds released a hotfix to remediate the vulnerability in both Serv-U Managed File Transfer Server and Serv-U Secured FTP. Organizations are strongly recommended to apply the hotfix as soon as possible as exploitation is ongoing.

What we’re doing about it

What you should do about it

Additional information

CVE-2021-35211 exists in Serv-U version 15.2.3 HF1 released May 5, 2021 and all prior Serv-U versions. Serv-U Managed File Transfer Server and Serv-U Secured FTP are the only impacted SolarWinds products.

SolarWinds was notified of the zero-day vulnerability by Microsoft. According to SolarWinds, “…vulnerability exploit involves a limited, targeted set of customers and a single threat actor”. No additional details on the attacks exploiting this vulnerability are publicly available at the time of writing.

References:

[1] https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211

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