Comment on vulnerabilities in VMware vCenter Server from Tenable
VMware published an advisory for multiple vulnerabilities including two flaws in VMware vCenter Server. As of yesterday, there were at least four proof-of-concept exploit scripts available on GitHub, including one that is configurable for both Windows and Linux targets.
Please find below a quote from Satnam Narang, Staff Research Engineer at Tenable and an in-depth analysis of the vulnerabilities.
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Comment on vulnerabilities in VMware vCenter Server from Tenable
“At least four proof-of-concept exploit scripts for CVE-2021-21972, a critical remote code execution flaw in VMWare’s vCenter Server solution are currently available. We know that the availability of proof-of-concept code or exploit scripts following the publication of a critical vulnerability is a boon for threat actors.
“While some cybercriminals may be adept at developing their own proof-of-concept exploits, threat actors are keen on leveraging what’s publicly available, as evidenced in the Copy Paste Compromises report from the Australian Cyber Security Centre in June 2020 that arrived at the same conclusion.
“There are confirmed reports that attackers are probing for vulnerable vCenter Server systems. According to a Shodan search, there are over 6,700 publicly accessible vCenter Servers. Coupled with the availability of these exploit scripts, it is all the more imperative for organizations to apply the available patches immediately instead of relying on temporary workarounds.”– Satnam Narang, Staff Research Engineer, Tenable
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