CVE-2022-43781

9.8CRITICAL

Key Information:

Vendor
Atlassian
Status
Bitbucket Data Center
Bitbucket Server
Vendor
CVE Published:
17 November 2022

Summary

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”.

Affected Version(s)

Bitbucket Data Center before 7.17.12

Bitbucket Data Center before 7.21.6

Bitbucket Data Center before 7.6.19

References

https://confluence.atlassian.com/x/Y4hXRg
https://jira.atlassian.com/browse/BSERV-13522

EPSS Score

44% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

https://github.com/Ry0taK
.