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Known exploited vulnerability

CVE-2023-6448

criticalCVSS 3.1 9.8In CISA KEVEPSS 2.1%Published · Unitronics

The short answer

CVE-2023-6448 affects Unitronics VisiLogic and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-12-11: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-1188, CWE-798.

Severity

9.8 critical

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

Exploited (CISA KEV)

Yes, since Dec 11, 2023

Federal due date Dec 18, 2023

EPSS, next 30 days

2.1%

Higher than 82% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected products

VisiLogic, visilogic. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2023-6448 being exploited?

Yes. CISA added CVE-2023-6448 to its Known Exploited Vulnerabilities catalog on 2023-12-11, with a federal remediation due date of 2023-12-18.

How do I fix CVE-2023-6448?

CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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