Fabric OS: Files or Directories Accessible to External Parties
CVE-2024-10403 is a high-severity files or directories accessible to external parties vulnerability in Fabric OS from Brocade, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. There is no confirmed exploitation so far. EPSS estimates a 0.65% chance of exploitation within 30 days, higher than 52% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Fabric Operating System to 9.2.0c1 or 9.2.1a1, whichever matches your release line, or a later version.
- Read the advisory on support.broadcom.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Brocade | Fabric OS | Not specified in the record | Not stated |
| Broadcom | Fabric Operating System | before 9.2.0c1; 9.2.1 up to, but not including, 9.2.1a1 | 9.2.0c1, 9.2.1a1 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 5.9 | Medium | CNA (brocade.com) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
Brocade Fabric OS versions before 8.2.3e2, versions 9.0.0 through 9.2.0c, and 9.2.1 through 9.2.1a can capture the SFTP/FTP server password used for a firmware download operation initiated by SANnav or through WebEM in a weblinker core dump that is later captured via supportsave.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Files or Directories Accessible to External Parties
The product makes files or directories accessible to unauthorized actors, even though they should not be.
How developers prevent this class of flaw
- When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to disable public access.
More Files or Directories Accessible to External Parties vulnerabilities (CWE-552)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Fabric OS
- 8.8 High severity
- 8.0 High severity
- 7.8 High severity
- 8.0 High severity
- 7.8 High severity
- 7.3 High severity
Recent Files or Directories Accessible to External Parties vulnerabilities
- 8.1 High severity
- 8.6 High severity
- 7.2 High severity
- 7.5 High severity
- 9.2 Critical severity
- 9.8 Critical severity
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