Security readout for executives and security teams
Cisco SD-WAN vManage had a high-severity flaw that could let an authenticated remote attacker gain unauthorized access and run commands as root. For executives, the concern is control-plane compromise: vManage administers SD-WAN environments, so a successful compromise could affect confidentiality, integrity, and availability of network management. Exposure is most relevant where Cisco SD-WAN vManage is deployed and reachable by authenticated users or networks where credentials could be abused. Internet-facing or broadly accessible management interfaces would increase urgency, but the source bundle does not provide affected version ranges. Treat this as a high-priority control-plane risk if Cisco SD-WAN vManage is present. The need for authentication lowers opportunistic exposure, but root-level code execution on a network management platform can create serious operational and security consequences. Mitigation focus: Check Cisco’s advisory for affected and fixed release guidance.; Prioritize updating any affected Cisco SD-WAN vManage deployments.; Limit vManage access to trusted administrators and management networks..
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
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ATT&CK lookup starting points
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CWE-20: Exact CWE lookup
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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-2020-3387 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:H/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:H/PR:L/UI:N/S:U/C:H/I:H/A:H1.65.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.5HighVector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20200715 Cisco SD-WAN vManage Software Remote Code Execution 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.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.