Advantech WebAccess 8.3.1 and earlier has a .dll component that is susceptible to external control of file name or path vulnerability, whic…

Published 8 y ago 2018-10-23 · modified 4 mo ago 2026-06-17 · JSON

CVSS

7.5

v3.0 · NVD

CISA KEV

not known exploited

EPSS

2.2%

percentile 83%

Public exploits

none known

Advantech WebAccess 8.3.1 and earlier has a .dll component that is susceptible to external control of file name or path vulnerability, which may allow an arbitrary file deletion when processing.

Exploit prediction (EPSS)

2.20% probability of exploitation in the next 30 days, higher than 83% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	7.5	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N`
NVD	2.0	6.4	`AV:N/AC:L/Au:N/C:N/I:P/A:P`

Affected products

Advantech Advantech WebAccess

Classification

Weakness

CWE-73 External Control of File Name or Path
CWE-20 Improper Input Validation

References

securitytracker.com /id/1041939 · vdb-entry, x_refsource_SECTRACK, x_transferred
ics-cert.us-cert.gov /advisories/ICSA-18-296-01%2C · x_refsource_MISC, x_transferred
securityfocus.com /bid/105728 · vdb-entry, x_refsource_BID, x_transferred

Sources

CVE List: CVE-2018-14820
NVD: CVE-2018-14820

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