RCE in Atlassian Bitbucket
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 vulnerab…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.981 (99.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Atlassian Bitbucket
- Atlassian Bitbucket Data Center — versions before 7.0, before 7.17.12, before 7.21.6
- Atlassian Bitbucket Server — versions before 7.0, before 7.17.12, before 7.21.6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@atlassian.com (Release Notes, Mitigation, Vendor Advisory)
- security@atlassian.com (Patch, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-43781?
- CVE-2022-43781 is a critical-severity vulnerability in Atlassian Bitbucket, classified under Command Injection. CVSS score: 9.8/10. Published 2022-11-17.
- How severe is CVE-2022-43781?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-43781 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.