Critical severity · published Nov 17, 2022
CVE-2022-43781
There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center
9.8
CVSS
98%
EPSS
No
On KEV
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”.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)98.0% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
Bitbucket · Atlassian
7.0.0 before 7.6.19; 7.7.0 before 7.17.12; 7.18.0 before 7.21.6; 7.22.0 before 8.0.5; 8.1.0 before 8.1.5; 8.2.0 before 8.2.4; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-43781
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-43781
Mitigation
https://confluence.atlassian.com/x/Y4hXRg
Issue Tracking
https://jira.atlassian.com/browse/BSERV-13522
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