What is the CVSS score of CVE-2022-43781?

CVE-2022-43781 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 98.1%.

Is there a public PoC exploit available for CVE-2022-43781?

Yes, a public proof-of-concept exploit is available for CVE-2022-43781. Prioritise patching immediately. EPSS: 98.1%.

Is there a patch available for CVE-2022-43781?

Yes, a patch is available for CVE-2022-43781. Update the affected software to the latest version immediately.

Bitbucket CVE-2022-43781

CRITICAL

Command Injection (CWE-77)

2022-11-17 security@atlassian.com

RCE Command Injection Bitbucket

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 17, 2022 - 00:15 nvd

CRITICAL 9.8

DescriptionNVD

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”.

AnalysisAI

There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. 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 products include: Atlassian Bitbucket.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.