Skip to content
Fencer Intel
high 7.5

CVE-2018-14820 json

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 8y ago modified 4mo ago also EUVD-2018-6704

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Is CVE-2018-14820 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-18-296-01 updated cvss 7.5

Advantech WebAccess

  • Advantech WebAccess <= 8.3.1
    affected: vendor fix

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.20% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.