What’s Vulnerable › Vulnerabilities

CVE-2023-0321: Disclosure of Sensitive Information on Campbell Scientific Products

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-01-26 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• Campbellsci Cr1000 Firmware: all versions
• Campbellsci Cr3000 Firmware: all versions
• Campbellsci Cr300 Firmware: all versions
• Campbellsci Cr6 Firmware: all versions
• Campbellsci Cr800 Firmware: all versions

References

• https://www.hackplayers.com/2023/01/cve-2023-0321-info-sensible-campbell.html
• 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
• https://www.incibe-cert.es/en/early-warning/ics-advisories/disclosure-sensitive-information-campbell-scientific-products

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