Security readout for executives and security teams
Plain-English summary
CVE-2019-3397 affects certain Atlassian Bitbucket Data Center versions. An attacker who already has Bitbucket admin permissions could use a path traversal flaw in the Data Center migration tool to run code on the Bitbucket server. This is most urgent where admin accounts are broadly shared, weakly protected, or externally accessible.
Executive priority
Prioritize remediation for internet-facing or business-critical Bitbucket Data Center systems. Although admin permissions are required, successful exploitation can lead to server-level code execution and potential source code, credential, and build pipeline exposure.
Technical view
The issue is remote code execution via path traversal in the Bitbucket Data Center migration tool. Affected ranges include 5.13.0 before 5.13.6, 5.14.0 before 5.14.4, 5.15.0 before 5.15.3, 5.16.0 before 5.16.3, 6.0.0 before 6.0.3, and 6.1.0 before 6.1.2. Exploitation requires admin permissions.
Likely exposure
Exposure is limited to licensed Atlassian Bitbucket Data Center deployments in the listed version ranges. Bitbucket Server-only deployments are not identified in the provided CVE text. Risk is higher if administrative access is reachable from untrusted networks or not strongly controlled.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The vulnerability is still serious because a compromised or malicious Bitbucket admin could achieve code execution on the server through the migration tool.
Researcher notes
The source bundle identifies the vulnerable component and fixed version ranges but does not provide CVSS, CWE, exploit evidence, or detailed technical root cause beyond path traversal through the Data Center migration tool. Treat exploitation claims as unconfirmed unless supported by additional public evidence.
Mitigation direction
- Upgrade affected 5.13.x deployments to 5.13.6 or later fixed versions.
- Upgrade affected 5.14.x deployments to 5.14.4 or later fixed versions.
- Upgrade affected 5.15.x deployments to 5.15.3 or later fixed versions.
- Upgrade affected 5.16.x deployments to 5.16.3 or later fixed versions.
- Upgrade affected 6.0.x deployments to 6.0.3 or later fixed versions.
- Upgrade affected 6.1.x deployments to 6.1.2 or later fixed versions.
Validation and detection
- Identify all Bitbucket Data Center instances and record installed versions.
- Confirm whether each instance falls within the affected version ranges.
- Review Bitbucket administrative user membership and recent account changes.
- Check whether administrative access is restricted to trusted networks.
- Consult Atlassian issue BSERV-11706 for vendor-specific status and guidance.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-3397 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://jira.atlassian.com/browse/BSERV-11706CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
