CVE-2020-36233

Name: CVE-2020-36233
Creator: NVD / NIST
Published: 2021-02-18T20:15:12.587+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2020-36233 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.27%

17.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Atlassian	Bitbucket	< 6.10.9
Atlassian	Bitbucket	>= 7.0.0, < 7.6.4
Atlassian	Bitbucket	>= 7.7.0, < 7.10.1

References

https://jira.atlassian.com/browse/BSERV-12753Issue Tracking, Vendor Advisory
https://www.kb.cert.org/vuls/id/240785Third Party Advisory, US Government Resource
https://jira.atlassian.com/browse/BSERV-12753Issue Tracking, Vendor Advisory
https://www.kb.cert.org/vuls/id/240785Third Party Advisory, US Government Resource

Timeline

Published: Feb 18, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-36233?

How severe is CVE-2020-36233?

CVE-2020-36233 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2020-36233?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-36233?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST