ioLogik 4000 Series: Server Banner Information Disclosure

published 2023-08-24 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54103

cvss: 5.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

A vulnerability has been identified in ioLogik 4000 Series (ioLogik E4200) firmware versions v1.6 and prior, which has the potential to facilitate the collection of information on ioLogik 4000 Series devices. This vulnerability may enable attackers to gather information for the purpose of assessing vulnerabilities and potential attack vectors.

Patch / fix

fixed in 1

moxa iologik_4000_series 1.6

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-10-02)

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

Moxa ioLogik 4000 Series
moxa iologik_4000_series

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-668 Exposure of Resource to Wrong Sphere

References

moxa.com /en/support/product-support/security-advisory/mpsa-230310-iologik-4000-series-multiple-web-server-vulnerabilit
vendor-advisory

Sources

CVE List CVE-2023-4230
NVD CVE-2023-4230

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.

Summary