Security readout for executives and security teams
Plain-English summary
CVE-2020-5367 affects Dell EMC PowerMax management software. The issue is improper certificate validation, which can let an attacker in a suitable network position intercept management traffic and potentially view or alter data in transit. Treat this as important for organizations operating PowerMax storage, especially where management paths are not isolated.
Executive priority
Prioritize remediation in PowerMax environments because this affects storage management trust and could expose sensitive operational data in transit. Urgency is highest where management traffic crosses shared networks or untrusted segments. No public active exploitation evidence is provided.
Technical view
The flaw is CWE-295 improper certificate validation in Dell EMC Unisphere for PowerMax, its Virtual Appliance before 9.1.0.17, and PowerMax OS Release 5978. The CVSS 3.1 score is 7.4 high. Source data describes potential man-in-the-middle impact against confidentiality, integrity, and availability, with high attack complexity.
Likely exposure
Exposure is limited to environments running affected Dell EMC PowerMax management components: Unisphere for PowerMax or Virtual Appliance before 9.1.0.17, or PowerMax OS Release 5978. Internet exposure is not stated in the sources; storage management networks are the primary concern.
Exploitation context
The sources do not show CISA KEV listing or confirmed active exploitation. Exploitation would depend on the attacker being able to position themselves to intercept victim traffic and supply a crafted certificate. Do not assume broad exploitation from the available evidence.
Researcher notes
Key uncertainty is scope of the PowerMax OS Release 5978 fix path; the bundle names the affected release but does not include detailed remediation text. Also note the CVSS vector reports local attack vector, while the description discusses an unauthenticated remote MITM scenario.
Mitigation direction
- Upgrade Unisphere for PowerMax to version 9.1.0.17 or later.
- Upgrade Unisphere for PowerMax Virtual Appliance to version 9.1.0.17 or later.
- Check Dell advisory guidance for PowerMax OS Release 5978 remediation.
- Keep storage management traffic on isolated, trusted networks.
- Review certificate validation and trusted certificate configuration after updates.
Validation and detection
- Inventory Dell EMC PowerMax management components and versions.
- Confirm Unisphere and Virtual Appliance versions are at least 9.1.0.17.
- Identify any systems running PowerMax OS Release 5978.
- Review management network paths for possible interception points.
- Check vendor advisory status and applied Dell updates.
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-295: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCVE-2020-5367 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
- 7.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H1.45.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.4HighVector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
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 Certificate Validation
Improper Certificate Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.