Which products and versions are affected by CVE-2022-43781?

Affected: Bitbucket (Atlassian); Bitbucket Data Center versions >= before 7.17.12; Bitbucket Server versions >= before 7.17.12. The full list is in the CVE brief.

Is CVE-2022-43781 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2022-43781 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

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

Public exploit code is available.

Is there a fix for CVE-2022-43781?

Fixed versions are available, including Bitbucket 7.6.19.

How urgently should CVE-2022-43781 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2022-43781

CriticalPublic exploit

There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center.

Published Mar 20, 2023 · Updated Oct 2, 2024 · Also known as TR-23-0160

Key Facts

Patch immediately

CVE-2022-43781 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Bitbucket (Atlassian), Bitbucket Data Center, Bitbucket Server.
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 98% probability of exploitation in the next 30 days.
Fixed versions are available, including Bitbucket 7.6.19.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

98%

Higher than 99.9% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2022-43781 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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”.

Affected Products

3 affected entries in total

Product	Affected versions	Fixed in
BitbucketAtlassian	See advisory	7.6.19
Bitbucket Data Center	>= before 7.17.12	n/a
Bitbucket Server	>= before 7.17.12	n/a

Patched Releases

Bitbucket

7.6.19

Timeline

Publicly disclosed
Mar 20, 2023
Last updated
Oct 2, 2024

Weakness Type

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

References

2 more references in the full CVE brief

FAQ

Common Questions.

There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center.
Affected: Bitbucket (Atlassian); Bitbucket Data Center versions >= before 7.17.12; Bitbucket Server versions >= before 7.17.12. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Bitbucket 7.6.19.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

Is CVE-2022-43781 Running On Your Attack Surface?

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