CVE-2019-11580criticalunder attackransomware

CVE-2019-11580: critical vulnerability in Atlassian Crowd

Published · Updated

100Vexday Risk Score

Patch now. It under exploitation confirmed by CISA and has a working public exploit.

ssvc Actcvss 9.8epss 95%
from disclosure to weapon0 days
Published on NVDJun 3
1st PoCJan 1
metasploitMay 22
CISA KEV+884d
exploitation probability
95%top 1% of all CVEs
observed exploitation
yesCISA + VulnCheck
7 public exploit(s)
Action required by CISAfederal deadline: 2022-05-03

Apply updates per vendor instructions.

In short

Atlassian Crowd had a development plugin left enabled in production releases, allowing attackers to install malicious plugins remotely without authentication and execute arbitrary code on the server.

Technical detail

The pdkinstall development plugin was incorrectly enabled in release builds of Crowd and Crowd Data Center, permitting unauthenticated or authenticated remote attackers to install arbitrary plugins via direct requests, leading to remote code execution. This vulnerability affects multiple version branches (2.1.0–3.0.x, 3.1.x, 3.2.x, 3.3.x, and 3.4.x) prior to their respective patched releases.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Atlassian · Crowd
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