Security readout for executives and security teams
Plain-English summary
CVE-2017-9511 lets an unauthenticated remote attacker read arbitrary files from Atlassian Fisheye or Crucible when vulnerable versions run on Windows. The business risk is exposure of local configuration, credentials, source-control metadata, or other sensitive files available to the application process.
Executive priority
Treat this as a high-priority remediation for any Windows-hosted Fisheye or Crucible instance, especially internet-facing systems. The primary risk is silent disclosure of sensitive local files, not system takeover or service outage based on the provided evidence.
Technical view
The issue is a CWE-22 path traversal flaw in the MultiPathResource class. Atlassian Fisheye and Crucible versions before 4.4.1 are affected only when running on Microsoft Windows. The CVSS 3.1 score is 7.5 because exploitation is network-accessible, low complexity, unauthenticated, and impacts confidentiality only.
Likely exposure
Organizations are exposed if they run Atlassian Fisheye or Crucible earlier than 4.4.1 on Windows, especially if the service is reachable by untrusted networks. Non-Windows deployments are not identified as affected in the provided source bundle.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The vulnerability is still concerning because anonymous network access and arbitrary file read create a direct data exposure path without needing credentials.
Researcher notes
Do not assume all Atlassian deployments are affected. The provided record narrows scope to Fisheye and Crucible before 4.4.1 on Windows. No exploit procedure, public exploitation evidence, or compensating-control detail is included in the source bundle.
Mitigation direction
- Upgrade Fisheye and Crucible to version 4.4.1 or later.
- Review Atlassian issue references CRUC-8049 and FE-6891 for vendor guidance.
- Restrict access to Fisheye and Crucible to trusted networks and users.
- Audit application permissions to limit sensitive local file access.
- Review logs for suspicious file-access or traversal-like requests.
Validation and detection
- Inventory all Fisheye and Crucible instances and record installed versions.
- Confirm whether each instance runs on Microsoft Windows.
- Verify externally reachable instances are not below version 4.4.1.
- Check whether anonymous access to the service is possible.
- Review application and web logs for unusual file-read attempts.
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.
CWE-22: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK 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-2017-9511 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
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://jira.atlassian.com/browse/CRUC-8049CVE reference · x_refsource_MISC
- https://jira.atlassian.com/browse/FE-6891CVE 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.
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.