Security readout for executives and security teams
Plain-English summary
Brocade SANnav versions before 2.1.1 could transmit JMX server authentication credentials in cleartext. If those credentials cross a network segment visible to an attacker, they could be exposed and reused. The provided sources do not give a severity score or evidence of active exploitation.
Executive priority
Treat as a targeted infrastructure hygiene issue. Prioritize remediation where SAN management networks are shared, remotely accessible, or weakly segmented, because exposed management credentials can create broader operational risk.
Technical view
CVE-2020-15381 is an improper authentication issue in Brocade SANnav before 2.1.1 involving cleartext transmission of JMX server authentication credentials. Source data does not provide CVSS, CWE mapping, exploit details, or environmental prerequisites beyond the affected version range.
Likely exposure
Exposure is limited to environments running Brocade SANnav before 2.1.1. Risk is higher if SANnav or JMX management traffic traverses shared, monitored, or insufficiently trusted network paths.
Exploitation context
The source bundle does not indicate CISA KEV listing or active exploitation. The practical concern is credential disclosure in transit, but the sources do not document exploitability conditions or attacker requirements.
Researcher notes
Evidence is sparse: no CVSS, CWE, exploit status, or detailed technical advisory content is included beyond cleartext JMX credential transmission and the pre-2.1.1 affected range. Avoid assuming broader Brocade product exposure.
Mitigation direction
- Inventory Brocade SANnav deployments and record installed versions.
- Upgrade SANnav to version 2.1.1 or later per Broadcom guidance.
- Restrict SANnav and JMX management access to trusted administration networks.
- Review Broadcom advisory 2021-1483 for vendor-specific remediation details.
Validation and detection
- Confirm no SANnav instance is running a version before 2.1.1.
- Verify JMX authentication traffic is not transmitted in cleartext after remediation.
- Check network segmentation for SANnav and related management services.
- Review access logs for unexpected SANnav or JMX management activity.
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.
CVE-2020-15381 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://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1483CVE 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.