Command Injection Vulnerability in Bitbucket Server and Data Center by Atlassian
CVE-2022-43781

9.8CRITICAL

Key Information:

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

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 44%

Summary

A command injection vulnerability exists in Bitbucket Server and Data Center, allowing an unauthenticated attacker with control over their username to execute arbitrary code. If the ‘Allow public signup’ option is enabled, this flaw can be exploited without authentication, potentially compromising the system's integrity.

Affected Version(s)

Bitbucket Data Center before 7.17.12

Bitbucket Data Center before 7.21.6

Bitbucket Data Center before 7.6.19

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

Metasploit exploit module for CVE-2022-43781
Created by Rapid7

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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

https://github.com/Ry0taK
.