Security readout for executives and security teams
Plain-English summary
CVE-2020-3586 lets a remote, unauthenticated attacker send malicious web requests to Cisco DNA Spaces Connector and run operating system commands as the web management application user. The likely business impact is disruption or unauthorized changes to the management web application, so reachable deployments should be handled urgently.
Executive priority
Treat as urgent for any reachable deployment because exploitation is remote, unauthenticated, and rated CVSS 9.4. Prioritize confirming exposure and following Cisco’s remediation guidance.
Technical view
The flaw is command injection in the Cisco DNA Spaces Connector web-based management interface, caused by insufficient validation of user-supplied input. Exploitation requires network access but no credentials or user interaction. Successful exploitation executes commands as a restricted web application user, with high integrity and availability impact.
Likely exposure
Exposure is limited to organizations running Cisco DNA Spaces Connector, especially where the web-based management interface is reachable from untrusted networks. The source bundle does not identify affected version numbers.
Exploitation context
The CVE description says exploitation uses crafted HTTP requests to the management interface. The bundle does not show CISA KEV listing or other evidence of active exploitation, so active exploitation should not be claimed from these sources.
Researcher notes
Evidence supports CWE-78 command injection in the management interface with low attack complexity and no privileges required. The source bundle lacks affected version detail, patch version detail, and confirmed exploitation evidence.
Mitigation direction
- Review Cisco’s advisory for fixed software and upgrade guidance.
- Restrict management interface access to trusted administrative networks.
- Remove internet exposure for the management interface where possible.
- Monitor for unexpected changes to management application pages.
- Check vendor guidance before relying on compensating controls.
Validation and detection
- Inventory Cisco DNA Spaces Connector deployments.
- Confirm management interface network reachability.
- Compare deployed versions against Cisco advisory guidance.
- Review logs for unusual management interface requests.
- Check for unexpected changes in served management application pages.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter 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 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-2020-3586 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
- Critical
- CVSS
- 9.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H3.95.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.4CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20201118 Cisco DNA Spaces Connector Command Injection VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
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.