CVE-2021-43959: Atlassian Jira Service Desk

Medium severity, CVSS 5.7. EPSS: 0.7% chance of exploitation in the next 30 days.

Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to access the content of internal network resources via a Server-Side Request Forgery (SSRF) vulnerability in the CSV importing feature of JSM Insight. When running in an environment like Amazon EC2, this flaw may be used to access to a metadata resource that provides access credentials and other potentially confidential information. The affected versions are before version 4.13.20, from version 4.14.0 before 4.20.8, and from version 4.21.0 before 4.22.2.

Affected products

• Atlassian Jira Service Desk: before 4.13.20 (fixed in 4.13.20)
• Atlassian Jira Service Management: from 4.14.0, before 4.20.8 (fixed in 4.20.8); from 4.21.0, before 4.22.2 (fixed in 4.22.2)

Published 2022-07-26. Last modified 2026-06-17.