CVE-2022-43781

critical

Description

There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center. An attacker with permission to control their username can exploit this issue to execute arbitrary code on the system. This vulnerability can be unauthenticated if the Bitbucket Server and Data Center instance has enabled “Allow public signup”.

References

https://confluence.atlassian.com/x/Y4hXRg

https://jira.atlassian.com/browse/BSERV-13522

Details

Source: MITRE

Published: 2022-11-17

Updated: 2022-11-18

Type: CWE-77

CVSS v3

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL