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Atlassian · Crowd and Crowd Data Center

CVE-2019-11580

Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability

Exploited in attacks Used by ransomware Critical 9.8 Attack chance: 95%
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What it is

Atlassian Crowd and Crowd Data Center had the pdkinstall development plugin incorrectly enabled in release builds. Attackers who can send unauthenticated or authenticated requests to a Crowd or Crowd Data Center instance can exploit this vulnerability to install arbitrary plugins, which permits remote code execution on systems running a vulnerable version of Crowd or Crowd Data Center. All versions of Crowd from version 2.1.0 before 3.0.5 (the fixed version for 3.0.x), from version 3.1.0 before 3.1.6 (the fixed version for 3.1.x), from version 3.2.0 before 3.2.8 (the fixed version for 3.2.x), from version 3.3.0 before 3.3.5 (the fixed version for 3.3.x), and from version 3.4.0 before 3.4.4 (the fixed version for 3.4.x) are affected by this vulnerability.

CISA: Atlassian Crowd and Crowd Data Center contain a remote code execution vulnerability resulting from a pdkinstall development plugin being incorrectly enabled in release builds.

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: May 3, 2022

Added to the CISA list
November 3, 2021
Published
June 3, 2019
Severity
Critical 9.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
95% in the top 0.1% of all known vulnerabilities
More details
NVD · CVE.org · CISA
All references (3)

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Oct 5, 2023Broken Access ControlCVE-2023-22515used by ransomwareConfluence Data Center and ServerCritical 10.099.2%
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Jul 29, 2022Questions For Confluence App Hard-coded CredentialsCVE-2022-26138ConfluenceCritical 9.898%
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All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.