ioLogik 4000 Series: Session Headers Not Implemented

published 2023-08-24 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54102

cvss: 4.3; 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 31%
public exploits: 0; none known

A vulnerability has been identified in ioLogik 4000 Series (ioLogik E4200) firmware versions v1.6 and prior, potentially exposing users to security risks. This vulnerability may allow attackers to trick users into interacting with malicious content, leading to unintended actions or unauthorized data disclosures.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-10-01)

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
NVD	3.1	4.7	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Affected products

Moxa ioLogik 4000 Series

Classification

Weakness

CWE-1021 Improper Restriction of Rendered UI Layers or Frames

References

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

Sources

CVE List CVE-2023-4229
NVD CVE-2023-4229

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