CVE-2023-0321

critical

Description

Campbell Scientific dataloggers CR6, CR300, CR800, CR1000 and CR3000 may allow an attacker to download configuration files, which may contain sensitive information about the internal network. From factory defaults, the mentioned datalogges have HTTP and PakBus enabled. The devices, with the default configuration, allow this situation via the PakBus port. The exploitation of this vulnerability may allow an attacker to download, modify, and upload new configuration files.

References

https://www.incibe-cert.es/en/early-warning/ics-advisories/disclosure-sensitive-information-campbell-scientific-products

https://www.hackplayers.com/2023/01/cve-2023-0321-info-sensible-campbell.html

Details

Source: Mitre, NVD

Published: 2023-01-26

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.00251