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 Ji…

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.