CVE-2023-4228

FAUCET Score

CVE-2023-4228 is a medium-severity vulnerability affecting Moxa ioLogik 4000 Series (ioLogik E4200) firmware versions v1.6 and prior. The flaw stems from improperly set session cookie attributes, which could expose user session data to unauthorized access. This vulnerability has a CVSS score of 4.3 (Medium) and requires user interaction, but does not impact integrity or availability. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 1.6CPE matchmatch criteria	cpe:2.3:o:moxa:iologik_e4200_firmware::::::::

CVSS Data

CVSS version used by this source: 3.1

3.1LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

1.6

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.30%

Probability of exploitation in next 30 days

EPSS Percentile

22.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0030 is in the 22nd percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

moxa.com / en/support/product-support/security-advisory/mpsa-230310-iologik-4000-series-multiple-web-server-vulnerabilities-and-improper-access-control-vulnerability

Vendor Advisory