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Exploited vulnerability · CISA KEV

Is CVE-2019-11580 exploited? Yes: in CISA KEV since 3 Nov 2021

Gociux · Atlassian Crowd and Crowd Data Center · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2019-11580, Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, 884 days after it was published. It is known to be used in ransomware campaigns. It affects Atlassian Crowd and Crowd Data Center. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 3 Nov 2021
ransomwareKnownused in campaigns
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due3 May 2022BOD 22-01 deadline

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.

VendorAtlassian (14 exploited CVEs in KEV)
ProductCrowd and Crowd Data Center
VulnerabilityAtlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability
Weaknessnot specified
Published3 Jun 2019
Added to KEV3 Nov 2021
Reported by (CNA)atlassian

What to do

  1. Check whether you run it. Look for Crowd and Crowd Data Center in your asset inventory, including appliances and cloud images. Stack check lists every exploited Atlassian CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 3 Jun 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for Atlassian.

References

Questions

Is CVE-2019-11580 being exploited?

Yes. CISA added CVE-2019-11580 to the Known Exploited Vulnerabilities catalog on 3 Nov 2021, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-11580 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2019-11580?

Apply updates per vendor instructions. Check Atlassian's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Crowd and Crowd Data Center and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in November 2021 · Atlassian scorecard · act-now radar.

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