The package 'zwkopt20' at version 0.0.3513 is identified as containing malicious code according to the OpenSSF malicious packages repository. This classification indicates that the package itself is intentionally harmful or contains code designed to compromise systems. There is no additional technical detail or exploit method described in the source data. No patch or remediation information is provided, and no known exploits in the wild have been reported.

Using the affected version of the 'zwkopt20' RubyGem may lead to compromise due to the presence of malicious code. The exact impact is not detailed, but malicious packages can lead to unauthorized code execution, data theft, or system compromise depending on the payload.

Since no patch or fixed version is provided, the recommended mitigation is to avoid using 'zwkopt20' version 0.0.3513 entirely. Users should remove this package from their environments and replace it with trusted alternatives. Monitor official RubyGems advisories and the OpenSSF malicious packages database for updates or remediation guidance.