AEGLIX vulnerability intelligence
CVE-2023-6448
CRITICAL · CVSS 9.8 · Analyzed
Published: 2023-12-05 · Updated: 2026-06-17 · Source: NVD
Vulnerability overview
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.
Severity and scoring
- CVSS score
- 9.8 · CRITICAL
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-1188, CWE-798
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- Unitronics · Vision PLC and HMI
- Added to catalog
- 2023-12-11
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- CISA remediation due date
- 2023-12-18
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:o:unitronics:vision1210_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision1040_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision700_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision570_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision560_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision430_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision350_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision130_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision230_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision280_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision290_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision530_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:vision120_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:a:unitronics:visilogic:*:*:*:*:*:*:*:*
Before (exclusive): 9.9.00
cpe:2.3:o:unitronics:samba_3.5_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:samba_4.3_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
cpe:2.3:o:unitronics:samba_7_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 12.38
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.
Advisories and 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/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