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Exploited vulnerability · CISA KEV

Is CVE-2019-11581 exploited? Yes: in CISA KEV since 7 Mar 2022

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

Yes. CVE-2019-11581, Atlassian Jira Server and Data Center Server-Side Template Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 7 Mar 2022, 941 days after it was published. It affects Atlassian Jira Server and Data Center. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 7 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due7 Sep 2022BOD 22-01 deadline

What it is

Atlassian Jira Server and Data Center contain a server-side template injection vulnerability which can allow for remote code execution.

VendorAtlassian (14 exploited CVEs in KEV)
ProductJira Server and Data Center
VulnerabilityAtlassian Jira Server and Data Center Server-Side Template Injection Vulnerability
WeaknessCWE-74
Published9 Aug 2019
Added to KEV7 Mar 2022
Reported by (CNA)atlassian

What to do

  1. Check whether you run it. Look for Jira Server and 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 9 Aug 2019.
  4. Get told next time. Email alerts when CISA adds a CVE for Atlassian.

Other exploited CVEs in Jira Server and Data Center

References

Questions

Is CVE-2019-11581 being exploited?

Yes. CISA added CVE-2019-11581 to the Known Exploited Vulnerabilities catalog on 7 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2019-11581 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2019-11581?

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 Jira Server and 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 March 2022 · Atlassian scorecard · act-now radar.

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