CVE-2019-11580KEV · OVERDUE

Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability

Critical · published June 3, 2019

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.

1634
days past CISA
deadline
CVSS v3.1
9.8
EPSS
95%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 This vulnerability lets attackers install any plugin they want on your Crowd or Crowd Data Center instance! 🔥 Think of it like a hotel maintenance worker who can check into any room, swap out the locks, and throw a wild party—without anyone checking their ID! 🏨 An attacker could run arbitrary code on your system, leading to unauthorized access and complete control over your data. This means sensitive information could be stolen, services disrupted, or even worse, your system could be turned into a launching pad for other attacks!

Put simply

Think of it like a hotel maintenance worker who can check into any room, swap out the locks, and throw a wild party—without anyone checking their ID! 🏨 The pdkinstall development plugin is mistakenly enabled in release builds, allowing both unauthenticated and authenticated requests to exploit it and install malwares as plugins, leading to remote code execution.

What to do

An attacker could run arbitrary code on your system, leading to unauthorized access and complete control over your data. This means sensitive information could be stolen, services disrupted, or even worse, your system could be turned into a launching pad for other attacks! Immediate action is crucial: Update to Crowd versions 3.0.5, 3.1.6, 3.2.8, 3.3.5, or 3.4.4, depending on your current version. Ensure that the pdkinstall plugin is disabled in the production environment to prevent any unauthorized installations. 🔒 You’ve got this! Follow these steps, and you’ll be back in the safety zone in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.95355 · 99.9th percentile
Published
2019-06-03T13:43Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 03 JUN 13:43Z
    Atlassian Crowd and Crowd Data Center had the pdkinstall development plugin incorrectly enabled in release builds
    cvelistv5