CVE-2019-20097 Information

Description

Bitbucket Server and Bitbucket Data Center versions starting from 1.0.0 before 5.16.11 from version 6.0.0 before 6.0.11 from version 6.1.0 before 6.1.9 from version 6.2.0 before 6.2.7 from version 6.3.0 before 6.3.6 from version 6.4.0 before 6.4.4 from version 6.5.0 before 6.5.3 from version 6.6.0 before 6.6.3 from version 6.7.0 before 6.7.3 from version 6.8.0 before 6.8.2 from version 6.9.0 before 6.9.1 had a Remote Code Execution vulnerability via the post-receive hook. A remote attacker with permission to clone and push files to a repository on the victim’s Bitbucket Server or Bitbucket Data Center instance can exploit this vulnerability to execute arbitrary commands on the Bitbucket Server or Bitbucket Data Center systems using a file with specially crafted content.

CVSS Vector

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

Reference

https://jira.atlassian.com/browse/BSERV-12099

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8