Security readout for executives and security teams
Plain-English summary
CVE-2020-17388 affects Marvell QConvergeConsole 5.5.0.64. A remote attacker could bypass the existing authentication mechanism and reach an improperly restricted Tomcat administration console. Successful exploitation can run code as SYSTEM, giving full control of the affected host.
Executive priority
Treat this as a high-priority exposure review for infrastructure management systems. The impact is full host compromise as SYSTEM, but urgency depends on whether QConvergeConsole 5.5.0.64 exists and is reachable in your environment.
Technical view
The flaw is in the Tomcat configuration for QConvergeConsole 5.5.0.64. The CVE describes insufficient restriction of the Tomcat admin console, mapped to CWE-749. Network access, low complexity, no user interaction, and high confidentiality, integrity, and availability impact produce CVSS 8.8.
Likely exposure
Exposure is limited to installations running Marvell QConvergeConsole 5.5.0.64, especially where its management service is reachable from user, partner, or internet-facing networks.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. ZDI reported the issue as ZDI-CAN-10799/ZDI-20-975. Authentication is described as required, but bypassable, so access controls alone should not be assumed protective.
Researcher notes
Evidence identifies one affected version and a Tomcat admin-console restriction failure. Public sources in the bundle do not provide exploit details, proof of active exploitation, or complete remediation text, so validation should stay focused on version, reachability, and vendor guidance.
Mitigation direction
- Check Marvell’s advisory for supported update, replacement, or configuration guidance.
- Remove QConvergeConsole 5.5.0.64 from untrusted network paths.
- Restrict Tomcat administration access to approved management networks only.
- Review whether the product is still required and decommission unused instances.
Validation and detection
- Inventory hosts for Marvell QConvergeConsole 5.5.0.64.
- Confirm whether the Tomcat admin console is reachable from non-management networks.
- Review administrative and web logs for unexpected access or privilege changes.
- Verify vendor guidance has been applied before considering the issue remediated.
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-749: 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 lookupExecution 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 lookupCVE-2020-17388 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
- 8.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8.8HighVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.marvell.com/content/dam/marvell/en/public-collateral/fibre-channel/marvell-fibre-channel-security-advisory-2020-07.pdfCVE reference · x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-20-975/CVE 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.
Exposed Dangerous Method or Function
Exposed Dangerous Method or Function represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.