Home News U.S. Cyber Command Warns of Ongoing Attacks Exploiting Atlassian Confluence Flaw

    U.S. Cyber Command Warns of Ongoing Attacks Exploiting Atlassian Confluence Flaw

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    The U.S. Cyber Command on Friday warned of ongoing mass exploitation makes an attempt within the wild concentrating on a now-patched important safety vulnerability affecting Atlassian Confluence deployments that may very well be abused by unauthenticated attackers to take management of a weak system.

    “Mass exploitation of Atlassian Confluence CVE-2021-26084 is ongoing and anticipated to speed up,” the Cyber Nationwide Mission Power (CNMF) said in a tweet. The warning was additionally echoed by the U.S. Cybersecurity and Infrastructure Safety Company (CISA) and Atlassian itself in a sequence of unbiased advisories.

    Unhealthy Packets noted on Twitter it “detected mass scanning and exploit exercise from hosts in Brazil, China, Hong Kong, Nepal, Romania, Russia and the U.S. concentrating on Atlassian Confluence servers weak to distant code execution.”

    Atlassian Confluence is a extensively well-liked web-based documentation platform that permits groups to create, collaborate, and arrange on completely different tasks, providing a standard platform to share data in company environments. It counts a number of main corporations, together with Audi, Docker, GoPro, Hubspot, LinkedIn, Morningstar, NASA, The New York Instances, and Twilio, amongst its clients.

    The development comes days after the Australian firm rolled out safety updates on August 25 for a OGNL (Object-Graph Navigation Language) injection flaw that, in particular cases, may very well be exploited to execute arbitrary code on a Confluence Server or Information Heart occasion.

    Put in a different way, an adversary can leverage this weak point to execute any command with the identical permissions because the consumer operating the service, and worse, abuse the entry to achieve elevated administrative permissions to stage additional assaults towards the host utilizing unpatched native vulnerabilities.

    The flaw, which has been assigned the identifier CVE-2021-26084 and has a severity score of 9.8 out of 10 on the CVSS scoring system, impacts all variations prior to six.13.23, from model 6.14.0 earlier than 7.4.11, from model 7.5.0 earlier than 7.11.6, and from model 7.12.0 earlier than 7.12.5.

    The difficulty has been addressed within the following variations —

    • 6.13.23
    • 7.4.11
    • 7.11.6
    • 7.12.5
    • 7.13.0

    Within the days because the patches have been issued, a number of menace actors have seized the chance to capitalize on the flaw by ensnaring potential victims to mass scan weak Confluence servers and install crypto miners after a proof-of-concept (PoC) exploit was publicly released earlier this week. Rahul Maini, one of many researchers concerned, described the method of creating the CVE-2021-26084 exploit as “comparatively less complicated than anticipated.”





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