What is CVE-2023-0839?

CVE-2023-0839 is a critical-severity vulnerability in Inscada Project, classified under CWE-1320. CVSS score: 9.8/10. Published 2023-03-06.

How severe is CVE-2023-0839?

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

Vulnerability in Inscada Project

CVE-2023-0839

Improper Protection for Outbound Error Messages and Alert Signals vulnerability in ProMIS Process Co. InSCADA allows Account Footprinting. This issue affects inSCADA: before 20230115-1.

Published 2023-03-06 · 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: 0.006 (49.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Inscada Project
Promis Process Co. Inscada — versions 0

Weakness classification (CWE)

CWE-1320

References

www.usom.gov.tr/bildirim/tr-23-0127 (Third Party Advisory, government-resource, broken-link)
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0127 (government-resource)

Frequently asked questions

What is CVE-2023-0839?: CVE-2023-0839 is a critical-severity vulnerability in Inscada Project, classified under CWE-1320. CVSS score: 9.8/10. Published 2023-03-06.
How severe is CVE-2023-0839?: Critical severity. CVSS v3 base score is 9.8 out of 10.