Chinese Espionage Group UNC3886 Found Exploiting CVE-2023-34048 Since Late 2021

While publicly reported and patched in October 2023, Mandiant and VMware Product Security have found UNC3886, a highly advanced China-nexus espionage group, has been exploiting CVE-2023-34048 as far back as late 2021.

These findings stem from Mandiant’s continued research of the novel attack paths used by UNC3886, which historically focuses on technologies that are unable to have EDR deployed to them. UNC3886 has a track record of utilizing zero-day vulnerabilities to complete their mission without being detected, and this latest example further demonstrates their capabilities.

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Source: Mandiant