CVE-2019-20097

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.

8.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 2.39% Top 20%

Vendor Advisory atlassian.com

Affected: Atlassian Bitbucket Server

Affected: Atlassian Bitbucket Data Center

References

Link	Tags
https://jira.atlassian.com/browse/BSERV-12099	issue tracking patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-20097?: CVE-2019-20097 has been scored as a high severity vulnerability.
How to fix CVE-2019-20097?: To fix CVE-2019-20097, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-20097 being actively exploited in the wild?: It is possible that CVE-2019-20097 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-20097?: CVE-2019-20097 affects Atlassian Bitbucket Server, Atlassian Bitbucket Data Center.

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