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Vulnerability Intelligence Report

CVE-2022-43781

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”.

No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:98.04%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
Authentication
Weaponization
SSVC Action

Weaknesses (CWE)

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

Affected Products & Versions

Vendor Product Affected Versions
Atlassian Bitbucket Data Center before 7.0 (unaffected), before 7.17.12 (affected), before 7.21.6 (affected), before 7.6.19 (affected), before 8.0.5 (affected), before 8.1.5 (affected), before 8.2.4 (affected), before 8.3.3 (affected), before 8.4.2 (affected), before 8.5.0 (affected)
Atlassian Bitbucket Server before 7.0 (unaffected), before 7.17.12 (affected), before 7.21.6 (affected), before 7.6.19 (affected), before 8.0.5 (affected), before 8.1.5 (affected), before 8.2.4 (affected), before 8.3.3 (affected), before 8.4.2 (affected), before 8.5.0 (affected)

References & Technical Advisories

No reference links found.

Threat Intelligence Signals

EPSS Score
98.035%

Identity & Timeline

StatusPUBLISHED
Assigning AuthorityAtlassian · Vendor · Australia
Reserved2022-10-26T14:49:11
Published2022-11-17T00:00:01
Last Updated2024-10-02T14:56:09

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