CVE-2023-6448

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf Vendor Advisory
https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf Release Notes
https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems Third Party Advisory US Government Resource
https://www.unitronicsplc.com/cyber_security_vision-samba/ Product
https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf Vendor Advisory
https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf Release Notes
https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems Third Party Advisory US Government Resource
https://www.unitronicsplc.com/cyber_security_vision-samba/ Product
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6448 US Government Resource
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:unitronics:vision1210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision1210:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:unitronics:vision1040_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision1040:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:unitronics:vision700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision700:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:unitronics:vision570_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision570:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:unitronics:vision560_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision560:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:unitronics:vision430_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision430:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:unitronics:vision350_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision350:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:unitronics:vision130_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision130:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:unitronics:vision230_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision230:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:unitronics:vision280_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision280:-:*:*:*:*:*:*:*

Configuration 11 (hide)

AND
cpe:2.3:o:unitronics:vision290_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision290:-:*:*:*:*:*:*:*

Configuration 12 (hide)

AND
cpe:2.3:o:unitronics:vision530_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision530:-:*:*:*:*:*:*:*

Configuration 13 (hide)

AND
cpe:2.3:o:unitronics:vision120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision120:-:*:*:*:*:*:*:*

Configuration 14 (hide)

cpe:2.3:a:unitronics:visilogic:*:*:*:*:*:*:*:*

Configuration 15 (hide)

AND
cpe:2.3:o:unitronics:samba_3.5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:samba_3.5:-:*:*:*:*:*:*:*

Configuration 16 (hide)

AND
cpe:2.3:o:unitronics:samba_4.3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:samba_4.3:-:*:*:*:*:*:*:*

Configuration 17 (hide)

AND
cpe:2.3:o:unitronics:samba_7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:samba_7:-:*:*:*:*:*:*:*
History

03 Nov 2025, 18:55

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6448 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6448 - US Government Resource

21 Oct 2025, 23:16

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6448 -

21 Oct 2025, 20:19

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6448', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:20

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-6448 -

21 Nov 2024, 08:43

Type Values Removed Values Added
References () https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf - Vendor Advisory () https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf - Vendor Advisory
References () https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf - Release Notes () https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf - Release Notes
References () https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems - Third Party Advisory, US Government Resource () https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems - Third Party Advisory, US Government Resource
References () https://www.unitronicsplc.com/cyber_security_vision-samba/ - Product () https://www.unitronicsplc.com/cyber_security_vision-samba/ - Product

26 Jun 2024, 19:59

Type Values Removed Values Added
References () https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf - () https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf - Vendor Advisory
References () https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf - () https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf - Release Notes
References () https://www.unitronicsplc.com/cyber_security_vision-samba/ - () https://www.unitronicsplc.com/cyber_security_vision-samba/ - Product
CPE cpe:2.3:o:unitronics:vision430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision1210_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision230_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision130_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision570_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision120_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision560_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision290_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision280_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision1040_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision530_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision700_firmware:-:*:*:*:*:*:*:*		 cpe:2.3:o:unitronics:samba_7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision1210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision230_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision290_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:samba_4.3:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision570_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision280_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision530_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:unitronics:visilogic:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:samba_3.5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision350_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:samba_7:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision430_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:samba_3.5:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision130_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:samba_4.3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision1040_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision560_firmware:*:*:*:*:*:*:*:*
First Time Unitronics samba 3.5
Unitronics visilogic
Unitronics samba 4.3 Firmware
Unitronics samba 7
Unitronics samba 3.5 Firmware
Unitronics samba 7 Firmware
Unitronics samba 4.3

19 Dec 2023, 14:15

Type Values Removed Values Added
References
  • () https://downloads.unitronicsplc.com/Sites/plc/Technical_Library/Unitronics-Cybersecurity-Advisory-2023-001-CVE-2023-6448.pdf -

13 Dec 2023, 17:15

Type Values Removed Values Added
Summary Unitronics Vision Series PLCs and HMIs use default administrative passwords. An unauthenticated attacker with network access to a PLC or HMI can take administrative control of the system. 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.

13 Dec 2023, 15:15

Type Values Removed Values Added
References
  • () https://www.unitronicsplc.com/cyber_security_vision-samba/ -
  • () https://downloads.unitronicsplc.com/Sites/plc/Visilogic/Version_Changes-Bug_Reports/VisiLogic%209.9.00%20Version%20changes.pdf -

12 Dec 2023, 15:31

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8
References () https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems - () https://www.cisa.gov/news-events/alerts/2023/11/28/exploitation-unitronics-plcs-used-water-and-wastewater-systems - Third Party Advisory, US Government Resource
CPE cpe:2.3:h:unitronics:vision1040:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision1210:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision560:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision230_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision280_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision290_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision700:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision350:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision120:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision120_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision530:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision130:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision290:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision430:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision570_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision1210_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision530_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision280:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision560_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision1040_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision570:-:*:*:*:*:*:*:*
cpe:2.3:h:unitronics:vision230:-:*:*:*:*:*:*:*
cpe:2.3:o:unitronics:vision130_firmware:-:*:*:*:*:*:*:*
CWE CWE-798

05 Dec 2023, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-12-05 18:15

Updated : 2025-11-03 18:55

NVD link : CVE-2023-6448

Mitre link : CVE-2023-6448

CVE.ORG link : CVE-2023-6448

JSON object : View

Products Affected

unitronics

  • vision130_firmware
  • vision280_firmware
  • samba_7
  • vision1210
  • vision700
  • vision120_firmware
  • vision290_firmware
  • vision1040
  • vision430
  • samba_4.3_firmware
  • vision570
  • vision280
  • vision350
  • vision430_firmware
  • samba_3.5
  • vision530
  • vision120
  • samba_7_firmware
  • vision700_firmware
  • vision530_firmware
  • vision130
  • vision230
  • vision570_firmware
  • vision1210_firmware
  • vision230_firmware
  • vision560_firmware
  • vision1040_firmware
  • vision290
  • samba_3.5_firmware
  • vision560
  • samba_4.3
  • vision350_firmware
  • visilogic
CWE
CWE-1188

Insecure Default Initialization of Resource

CWE-798

Use of Hard-coded Credentials