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CVE-2023-39981

22
FAUCET Score

CVE-2023-39981 is an unauthorized access vulnerability affecting Moxa MXsecurity versions prior to v1.0.1, stemming from inadequate authentication. This high-severity flaw (CVSS 7.5) allows a remote attacker to disclose device information without authentication, requiring no user interaction. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for unauthorized information disclosure remains.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.1CPE matchmatch criteria
cpe:2.3:a:moxa:mxsecurity:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.62%
Probability of exploitation in next 30 days
EPSS Percentile
46.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0062 is in the 23rd percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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-230403-mxsecurity-series-multiple-vulnerabilities
PatchVendor Advisory