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CVE-2023-6448

Unitronics VisiLogic uses a default administrative password

Exploited in the wild. In CISA KEV since 2023‑12‑11. Fixed versions are out.

CVSS 3.19.8CriticalEPSS percentile81st2.1% chance in 30 daysCISA KEVListedsince 2023-12-11, due 2023-12-18
No public exploit knownFix5 products2 fixed builds listed below

Published Updated Sources: CVE.org, NVD, BDU, CSAF

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Unitronics VisiLogicAffected: < 9.9.00Upgrade to: 9.9.00Stated by: CVE record
  • Unitronics Vision1210 FirmwareAffected: < 12.38Upgrade to: 12.38Stated by: NVD
  • Unitronics Vision1040 FirmwareAffected: < 12.38Upgrade to: 12.38Stated by: NVD
  • Unitronics Vision700 FirmwareAffected: < 12.38Upgrade to: 12.38Stated by: NVD
  • Unitronics Vision570 FirmwareAffected: < 12.38Upgrade to: 12.38Stated by: NVD

Versions as the sources state them. 12 more products have version data. Full version matrix after sign-in

Is your organisation exposed?Request an assessment to establish which checks fit your systems.

Coverage timeline

0 publishers

  1. Added to CISA KEV catalog

    ·CISA KEV

Sourced from public security reporting — each date is when it was published, not when it happened.

What it is

From the CVE record

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.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS81st
CISA KEV
CISA KEV

Listed as exploited in the wild since 2023-12-11.

US federal agencies must remediate by 2023-12-18.

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

No public exploit or proof of concept found in the sources we track.

EPSS

2.1% chance of exploitation activity in the next 30 days, which ranks it in the 81st percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Attention now

Rising.

Lifecycle

7 events over 930 days, from the signal feeds we watch.

  1. EPSS band changemoderate → low
  2. Patch availablerecord updated
  3. Added to CISA KEV
  4. Publishedweakness classified, att&ck mapped

Affected products

And 11 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

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

Scored 9.8 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 16 more references. See all after sign-in

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next exploited one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Vision1210 Firmware, not every advisory. This one: actively exploited.