What We Do
How we do it
Resources
TRU INTELLIGENCE CENTER
Our Threat Response Unit (TRU) publishes security advisories, blogs, reports, industry publications and webinars based on its original research and the insights driven through proactive threat hunts.
View Threat Intelligence Resources →
SECURITY ADVISORIES
Nov 21, 2022
ProxyNotShell Exploit Released
THE THREAT eSentire is aware of public Proof-of-Concept (PoC) exploit code for the ProxyNotShell Exchange vulnerabilities (CVE-2022-41040 [CVSS:8.8], CVE-2022-41082 [CVSS:8.0]). The publication of…
Read More
View all Advisories →
Company
ABOUT ESENTIRE
About Us
eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1500+ organizations in 80+ 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.
Read about how we got here
Leadership Work at eSentire
LATEST PRESS RELEASE
Nov 07, 2022
Global Cybersecurity Leader eSentire Partners with InfoTrust to Deliver 24/7 Multi-Signal MDR and IR Services Across Australia
Waterloo, ON and Sydney, Australia – November 9, 2022 – eSentire, Inc., the Authority in Managed Detection and Response (MDR), today announced it has expanded its presence in Australia via a strategic partnership with InfoTrust. InfoTrust is a leading specialized cybersecurity provider that combines next-generation security controls, with the InfoTrust “Connective Tissue” of customer success,…
Read More
Partners
PARTNER PROGRAM
e3 Ecosystem
We provide sophisticated cybersecurity solutions for Managed Security Service Providers (MSSPs), Managed Service Providers (MSPs), and Value-Added Resellers (VARs). Find out why you should partner with eSentire, the Authority in Managed Detection and Response, today.
Learn more
ECOSYSTEM PARTNER RESOURCES
Apply to become an e3 ecosystem partner with eSentire, the Authority in Managed Detection and Response.
Login to the Partner Portal for resources and content for current partners.
Search
Resources
Security advisories — May 26, 2021

Critical VMware Vulnerability CVE-2021-21985

1 minute read
Speak With A Security Expert Now

THE THREAT

VMware has announced a new critical vulnerability impacting VMware vCenter Servers, tracked as CVE-2021-21985 (CVSS:9.8). VMware vCenter Servers using standard configurations that are exposed to the internet over port 443, are affected. Exploitation of CVE-2021-21985 may allow for Remote Code Execution (RCE) on the underlying operating system.

Due to the high severity of the vulnerability and the potential impact of exploitation, eSentire assesses that threat actors will exploit this vulnerability in the near future. Organizations are strongly recommended to apply the available security patches as soon as possible.

What we’re doing about it

What you should do about it

Additional information

CVE-2021-21985 should be prioritized for patching as soon as possible. VMware vulnerabilities have been heavily exploited in the past by both financially motivated criminals and Nation-State APT groups. VMware announced a similar vulnerability in February 2021, and Proof-of-Concept (PoC) exploit code was publicly available within 24 hours of the release.

In addition to CVE-2021-21985, VMware has also announced a less critical authentication plugin vulnerability tracked as CVE-2021-21986 (CVSS: 6.5).

Vulnerability Details:

Impacted Products:

References:

[1] https://www.vmware.com/security/advisories/VMSA-2021-0010.html
[2] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21985
[3] https://kb.vmware.com/s/article/83829
[4] https://www.esentire.com/security-advisories/vmware-remote-code-execution-vulnerability

View Most Recent Blogs