CVE-2020-36233 json
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.…
published 2021-02-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23778
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 18%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Atlassian Bitbucket Server 6.10.9, 7.6.4, 7.10.1
- Atlassian Bitbucket Data Center 6.10.9, 7.6.4, 7.10.1
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Atlassian Bitbucket Server
- Atlassian Bitbucket Data Center
Classification
- Weakness
-
- CWE-276 Incorrect Default Permissions
References
-
jira.atlassian.com
/browse/BSERV-12753
issue-tracking, vendor-advisory
-
kb.cert.org
/vuls/id/240785
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2020-36233
- NVD CVE-2020-36233
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.