Security readout for executives and security teams
Cisco SD-WAN vContainer has a critical buffer overflow that could let a logged-in remote attacker crash the service or run code as root. The business risk is high where Cisco SD-WAN administration or vContainer access is exposed to untrusted or weakly controlled authenticated users. Exposure is limited to organizations running Cisco SD-WAN Solution vContainer instances, but the affected versions are not specified in the provided bundle. Risk increases where authenticated access to vContainer functionality is broadly available or reachable over management networks. Treat as urgent for any Cisco SD-WAN environment because compromise could give root-level control and disrupt network operations. Prioritize inventory and Cisco advisory validation first, since the provided bundle does not list exact affected versions. Mitigation focus: Identify Cisco SD-WAN Solution deployments using vContainer.; Review Cisco advisory cisco-sa-20190123-sdwan-bo for affected releases and vendor guidance.; Apply Cisco-recommended updates or workarounds where applicable..
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-119: 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-2019-1651 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.9 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/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:C/C:H/I:H/A:H3.16Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
9.9CriticalVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20190123 Cisco SD-WAN Solution Buffer Overflow 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 Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.