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Jul 29, 2021
UPDATE: PetitPotam NTLM Relay Attack
THE THREAT PetitPotam is a variant of the NTLM Relay attack discovered by security researcher Gilles Lionel. It is tracked as an authentication bypass vulnerability in Active Directory (Certificate Services); currently no CVE identifier has been assigned to this vulnerability. Proof of Concept (PoC) code released last week [1] relies on the Encrypting File System Remote (EFSRPC) protocol to…
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eSentire is The Authority in Managed Detection and Response Services, protecting the critical data and applications of 1000+ organizations in 70+ 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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Tecala and eSentire Partner to Protect Enterprises across APAC from Business-Disrupting Cyber Attacks
Sydney, 12 July, 2021 - Tecala, Australia’s award-winning technology services and IT consulting provider, today announced it has chosen eSentire, the global Authority in Managed Detection and Response (MDR) cybersecurity services, as their exclusive MDR solution provider in Australia and New Zealand. This partnership will enable Tecala to augment its cybersecurity practice and offer enterprises…
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Security advisories — Apr 07, 2021

VMware Authentication Bypass Vulnerability

2 min read

THE THREAT

VMware has announced a critical vulnerability impacting the VMware Carbon Black Cloud Workload appliance. The vulnerability, tracked as CVE-2021-21982, received a criticality rating of 9.1/10 and is classified as an authentication bypass vulnerability. A threat actor with previous access to the network may exploit the vulnerability to view and alter administrative settings for the appliance. Malicious configuration changes may impact the operations of the VMware Carbon Black Cloud Workload appliance.

Organizations are strongly recommended to apply the available security patches provided by VMware. Workarounds are not available, increasing the importance of applying security patches. eSentire does not employ or administer the VMware Carbon Black Cloud Workload appliance. eSentire services are not impacted by this vulnerability.

What we’re doing about it

What you should do about it

Additional information

CVE-2021-21982 impacts VMware Carbon Black Cloud Workload appliance version 1.0.1 and earlier, running on Linux. While exploitation has not been identified in the wild at this time, organizations are recommended to patch as soon as possible. Vulnerabilities impacting security products are likely to receive increased attention of capable threat actors.

To successfully exploit this vulnerability, a threat actor would need network access to the administrative interface of the VMware Carbon Black Cloud Workload appliance. With this access, an attacker may obtain a valid authentication token, allowing them access to the administration API of the appliance.

References:
[1] https://www.vmware.com/security/advisories/VMSA-2021-0005.html
[2] https://nvd.nist.gov/vuln/detail/CVE-2021-21982