CVE-2023-6448

CVE-2023-6448 is a critical-severity vulnerability in Unitronics Visilogic with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2023-12-11). The underlying weakness is classified as CWE-798.

Key facts

Description

Unitronics VisiLogic before version 9.9.00, used in Vision and Samba PLCs and HMIs, uses a default administrative password. An unauthenticated attacker with network access can take administrative control of a vulnerable system.

Frequently asked questions

What is CVE-2023-6448?
Unitronics VisiLogic before version 9.9.00, used in Vision and Samba PLCs and HMIs, uses a default administrative password. An unauthenticated attacker with network access can take administrative control of a vulnerable system.
How severe is CVE-2023-6448?
CVE-2023-6448 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-2023-6448 being actively exploited?
Yes. CVE-2023-6448 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2023-12-11, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2023-6448?
CVE-2023-6448 primarily affects Unitronics Visilogic. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-6448?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2023-6448 have an EU (EUVD) identifier?
Yes. CVE-2023-6448 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58685. It is also flagged as exploited in the EUVD (since 2023-12-11).
When was CVE-2023-6448 published?
CVE-2023-6448 was published on 2023-12-05 and last updated on 2026-06-17.

References

Affected products (17)

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