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CVE Record

CVE-2018-15387: Cisco SD-WAN Solution Certificate Validation Bypass Vulnerability

A vulnerability in the Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to bypass certificate validation on an affected device. The vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by supplying a system image signed with a crafted certificate to an affected device, bypassing the certificate validation. An exploit could allow an attacker to deploy a crafted system image.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This flaw could let a remote unauthenticated attacker get an affected Cisco SD-WAN device to accept a crafted system image by bypassing certificate validation. In business terms, the concern is unauthorized software being deployed onto network infrastructure. The provided bundle does not include affected versions, CVSS score, or patch details. Exposure is limited to environments using Cisco SD-WAN Solution components covered by Cisco advisory cisco-sa-20181003-sd-wan-bypass. The provided data does not identify specific affected releases or CPEs, so asset owners must compare inventory against Cisco guidance. Treat this as high priority for Cisco SD-WAN environments because it concerns trust validation for system images on network infrastructure. Urgency depends on whether deployed versions match Cisco’s affected list, which is not included in the source bundle. Mitigation focus: Review Cisco advisory cisco-sa-20181003-sd-wan-bypass for affected releases and fixed software.; Apply Cisco-recommended updates or workarounds where the advisory confirms exposure.; Inventory Cisco SD-WAN Solution devices and record current software versions..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2018-15387 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
CiscoCisco SD-WAN Solutionn/aListed
Weakness

CWE details

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CWE-20 · source CWE mapping

Improper Input Validation

Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.