Trend Micro warns customers of zero-day attacks against its products

Security firms Trend Micro is warning its customers of attacks exploiting zero-day vulnerabilities in its Apex One and Apex One as a Service products.

On July 28, Trend Micro released security patches for multiple incorrect permission assignment privilege escalation, incorrect permission preservation authentication bypass, arbitrary file upload, and local privilege escalation vulnerabilities in Apex One and Apex One as a Service products. The security firm also reported that attackers are already exploits at least two of the flaws (CVE-2021-32464, CVE-2021-32465, CVE-2021-36741, CVE-2021-36742) in attacks in the wild.

The vulnerabilities affect the Trend Micro Apex One (On Premise) and Apex One as a Service (SaaS) on Windows.

“Trend Micro has observed an active attempt of exploitation against two of these vulnerabilities (chained) in-the-wild (ITW) in a very limited number of instances, and we have been in contact with these customers already. All customers are strongly encouraged to update to the latest versions as soon as possible.” reads the advisory.

The company did not share info about the attacks in the wild that exploited the above vulnerabilities.

In April, the security firm revealed that attackers were actively exploiting a vulnerability, tracked as CVE-2020-24557, in its antivirus solutions to gain admin rights on Windows systems.

The CVE-2020-24557 vulnerability affects the Apex One and OfficeScan XG enterprise security products.

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Pierluigi Paganini

(SecurityAffairs – hacking, zero-day)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.