How severe is CVE-2023-0839?

CVE-2023-0839 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-0839 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0839?

CVE-2023-0839 affects Inscada Project Inscada. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0839?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-0839 published?

CVE-2023-0839 was published on 2023-03-06 and last updated on 2026-06-17.

CVE-2023-0839

CVE-2023-0839 is a critical-severity vulnerability in Inscada Project Inscada with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1320.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1320
Affected product: Inscada Project Inscada
Published: 2023-03-06
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-0839?: CVE-2023-0839 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-0839 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0839?: CVE-2023-0839 affects Inscada Project Inscada. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0839?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-0839 published?: CVE-2023-0839 was published on 2023-03-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:inscada_project:inscada:*:*:*:*:*:*:*:*

Other CWE-1320 vulnerabilities

CVE-2022-2319 — High (CVSS 7.8): A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the ProcXkbSetGeometry function due…
CVE-2023-5635 — High (CVSS 7.5): Improper Protection for Outbound Error Messages and Alert Signals vulnerability in ArslanSoft Education Portal allows…
CVE-2023-5443 — High (CVSS 7.5): Improper Protection for Outbound Error Messages and Alert Signals vulnerability in EDM Informatics E-invoice allows…
CVE-2023-5570 — High (CVSS 7.5): Improper Protection for Outbound Error Messages and Alert Signals vulnerability in Inohom Home Manager Gateway allows…
CVE-2023-1014 — High (CVSS 7.5): Improper Protection for Outbound Error Messages and Alert Signals vulnerability in Virames Vira-Investing allows…

Browse all CWE-1320 vulnerabilities →