What is CVE-2019-11581?

CVE-2019-11581 is a critical-severity vulnerability in Atlassian Jira Server, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2019-08-09.

How severe is CVE-2019-11581?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2019-11581 known to be exploited?

Yes. CVE-2019-11581 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-07), indicating it is being actively exploited. 61 public proof-of-concept repositories are indexed.

Vulnerability in Atlassian Jira Server

CVE-2019-11581

There was a server-side template injection vulnerability in Jira Server and Data Center, in the ContactAdministrators and the SendBulkMail actions. An attacker is able to remotely execute code on systems that run a vulnerable version of Jira Server or Data Center. All versions of Jira Server and Data Center from 4.4.0 before 7.6.14, from 7.7.0 before 7.13.5, from 8.0.0 before 8.0.3, from 8.1.0 before 8.1.2, and from 8.2.0 before 8.2.3 are affected by this vulnerability.

EPSS: 0.846 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Atlassian Jira_server
Atlassian Jira Server And Data Center — versions 4.4.0, unspecified, 7.7.0

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-07. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-09-07.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

security@atlassian.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2019-11581?: CVE-2019-11581 is a critical-severity vulnerability in Atlassian Jira Server, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.8/10. Published 2019-08-09.
How severe is CVE-2019-11581?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-11581 known to be exploited?: Yes. CVE-2019-11581 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-07), indicating it is being actively exploited. 61 public proof-of-concept repositories are indexed.