CVE-2022-43781

high-risk
Published 2022-11-17

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”.

Do I need to act?

!
88.2% chance of exploitation in next 30 days
EPSS score — higher than 12% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Atlassian

References (4)

Mitigation https://confluence.atlassian.com/x/Y4hXRg
Issue Tracking https://jira.atlassian.com/browse/BSERV-13522
Mitigation https://confluence.atlassian.com/x/Y4hXRg
Issue Tracking https://jira.atlassian.com/browse/BSERV-13522
57
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 20/34 · Moderate
Exposure 5/34 · Minimal