Jenkins project's Confluence server hacked to mine Monero

Bleeping Computer -

Hackers exploiting the recently disclosed Atlassian Confluence remote code execution vulnerability breached an internal server from the Jenkins project.

While the attack is concerning because Jenkins is a popular open-source server for automating parts of software development, there is no reason that the project releases, plugins, or code have been impacted.

Admins are being cautious

As BleepingComputer reported last week, after the proof-of-concept exploit code for CVE-2021-26084 became public, threat actors started to scan for vulnerable Atlassian Confluence instances to install cryptocurrency miners.

While many attackers used the exploit to install the open-source, cross-platform XMRig Monero cryptocurrency miner, they could also leverage the vulnerability for more damaging attacks.

Last week, administrators of the Jenkins project discovered that one of their deprecated Confluence server fell victim to one of these attacks.

“Thus far in our investigation, we have learned that the Confluence CVE-2021-26084 exploit was used to install what

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