# CVE-2022-43781: Atlassian Bitbucket Data Center

- Exploited (CISA KEV): no
- Published: 2022-11-17
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 98.0% (100th percentile)

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”.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2023-01-17 | 61 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2023-01-17 · new · rule 200103293
  > Added: signature 200103293 "Atlassian Bitbucket Command Injection Vulnerability" (Command Execution, risk High), systems: Django, Python. References: CVE-2022-43781.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog
- 2023-02-14 · new · rule 200103293
  > Added: signature 200103293 "Atlassian Bitbucket Command Injection Vulnerability" (Command Execution, risk High), systems: Django, Python. References: CVE-2022-43781.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2022-43781 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2022-43781