--- title: Critical Atlassian Flaw Exploited to Deploy Linux... description: Threat actors are exploiting an unpatched Atlassian server vulnerability to deploy a Linux variant of Cerber ransomware. The attackers create an administrator... canonical: https://daily.dev/posts/critical-atlassian-flaw-exploited-to-deploy-linux-variant-of-cerber-ransomware-08xedkjgk twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Critical Atlassian Flaw Exploited to Deploy Linux Variant of Cerber Ransomware | daily.dev og:description: Threat actors are exploiting an unpatched Atlassian server vulnerability to deploy a Linux variant of Cerber ransomware. The attackers create an administrator... og:url: https://daily.dev/posts/critical-atlassian-flaw-exploited-to-deploy-linux-variant-of-cerber-ransomware-08xedkjgk og:image: https://api.daily.dev/og/posts/08XEdkJgK.png og:image:alt: Critical Atlassian Flaw Exploited to Deploy Linux Variant of Cerber Ransomware og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Critical Atlassian Flaw Exploited to Deploy Linux Variant of Cerber Ransomware **[The Hacker News](https://daily.dev/sources/thn)** · 3 min read · 0 upvotes · 0 comments ## Summary Threat actors are exploiting an unpatched Atlassian server vulnerability to deploy a Linux variant of Cerber ransomware. The attackers create an administrator account using the vulnerability and use it to install the Effluence web shell plugin and execute arbitrary commands. The primary payload of the Cerber ransomware is a loader for additional malware. Several ransomware families have been targeting Windows and VMware ESXi servers. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#linux](https://daily.dev/tags/linux), [#vulnerability](https://daily.dev/tags/vulnerability), [#atlassian](https://daily.dev/tags/atlassian) [View this post on daily.dev](https://daily.dev/posts/critical-atlassian-flaw-exploited-to-deploy-linux-variant-of-cerber-ransomware-08xedkjgk) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Critical Atlassian Flaw Exploited to Deploy Linux Variant of Cerber Ransomware","url":"https://daily.dev/posts/critical-atlassian-flaw-exploited-to-deploy-linux-variant-of-cerber-ransomware-08xedkjgk","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/critical-atlassian-flaw-exploited-to-deploy-linux-variant-of-cerber-ransomware-08xedkjgk"},"datePublished":"2024-04-17T11:08:17.016Z","dateModified":"2024-05-09T07:55:57.971Z","description":"Threat actors are exploiting an unpatched Atlassian server vulnerability to deploy a Linux variant of Cerber ransomware. 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