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CVE Record

CVE-2018-7503: In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Das...

In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, a path transversal vulnerability has been identified, which may allow an attacker to disclose sensitive information on the target.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2018-7503 is a path traversal flaw in several Advantech WebAccess products. If exploited, it may let an attacker read sensitive files from the target system. The source bundle does not provide CVSS, confirmed exploit activity, or complete fix details. Exposure is most likely where affected WebAccess components are reachable by untrusted users or networks. Internet-facing or broadly accessible ICS management systems would carry higher business risk than isolated deployments. Treat this as a focused exposure-management issue. It is not confirmed exploited in the supplied sources, but affected ICS-facing systems can expose sensitive information and should be inventoried, restricted, and remediated through vendor guidance. Mitigation focus: Inventory Advantech WebAccess, Dashboard, Scada Node, and NMS deployments.; Compare deployed versions against the affected version ranges in the CVE record.; Check Advantech and CISA ICS advisory guidance for supported updates or mitigations..

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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ATT&CK lookup starting points

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cwe · medium confidence lookup

CWE-22: File access and web shell behavior lookup

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cve · low confidence lookup

CVE-2018-7503 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
AdvantechWebAccessWebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, WebAccess/NMS 2.0.3 and prior.Listed
Weakness

CWE details

CWE-22

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