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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.
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Security advisories — Feb 26, 2019

Update: CVE-2017-5638 Apache Struts 2 Remote Code Execution Vulnerability

1 minute read
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The eSentire Security Operations Center (SOC) is observing a widespread, marked increase of scanning and exploitation events across multiple targets originating from IP ranges across the globe.

What you should do about it:

We recommend scanning all internet facing servers for CVE-207-5638, and perform remediation on any vulnerable servers on their network immediately. Observed exploitations allow the execution of arbitrary commands and remote code on the target server without any authentication. This takes advantage of the Jakarta Multipart parser in Apache Struts versions 2 2.3.x before 2.3.32 and 2.5.x before 2.5.10.1.

This security advisory has been issued as follow up to the CVE-2017-5638 Apache Struts 2 Remote Code Execution Vulnerability.

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