What is CVE-2023-5642?

CVE-2023-5642 is a critical-severity vulnerability in Advantech R-Seenet, classified under Information Disclosure. CVSS score: 9.8/10. Published 2023-10-18.

How severe is CVE-2023-5642?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Information disclosure in Advantech R-Seenet

CVE-2023-5642

Advantech R-SeeNet v2.4.23 allows an unauthenticated remote attacker to read from and write to the snmpmon.ini file, which contains sensitive information.

Vulnerability class: Information Disclosure

Published 2023-10-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.167 (96.9th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.167 · newest: 0.167 · change: 0.000

Affected products

Advantech R-Seenet — versions 0, 2.4.23

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

tenable.com/security/research/tra-2023-33 (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2023-5642?: CVE-2023-5642 is a critical-severity vulnerability in Advantech R-Seenet, classified under Information Disclosure. CVSS score: 9.8/10. Published 2023-10-18.
How severe is CVE-2023-5642?: Critical severity. CVSS v3 base score is 9.8 out of 10.