Known exploited · Atlassian
CVE-2019-11580: Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability
What it is
Atlassian Crowd and Crowd Data Center contain a remote code execution vulnerability resulting from a pdkinstall development plugin being incorrectly enabled in release builds.
- Vendor
- Atlassian
- Product
- Crowd and Crowd Data Center
- Added to KEV
- November 3, 2021
- CISA due date
- May 3, 2022
- Ransomware use
- Known
- Weakness
- Not mapped by CISA
What CISA requires
Apply updates per vendor instructions.
Forensic triage
No
What to do now
- Find every instance of Crowd and Crowd Data Center you run, including the forgotten ones, and check its version against the vendor advisory.
- Apply the vendor's fix or mitigation, before May 3, 2022 if you are bound by CISA's deadline, sooner if it faces the internet.
- Assume it was tried against you already: look for signs of exploitation from the date it was added, not from the day you patched.
References
H2 Security
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Start freeSource: CISA Known Exploited Vulnerabilities Catalog (public domain), catalog version 2026.10.01.