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Fencer Vulns
medium 6.5

CVE-2023-4215 json

Advantech WebAccess Debug Messages Revealing Unnecessary Information

published 2023-10-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54089

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

Advantech WebAccess version 9.1.3 contains an exposure of sensitive information to an unauthorized actor vulnerability that could leak user credentials.

Vendor advisories

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

cisa ICSA-23-285-15 updated cvss 6.5

Advantech WebAccess

  • Advantech WebAccess 9.1.3
    affected: mitigation “Advantech recommends users update WebAccess to Version 9.1.4.” advantech.com

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Advantech WebAccess

Classification

Weakness
  • CWE-1295 Debug Messages Revealing Unnecessary Information

References

Sources

Fencer Vulns 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.