CVE-2023-0321

PoC —

CVSS 3.1

9.1 critical

EPSS

<1%p57

Published

Jan 26, 2023 (Jan 26, 2023)

Modified

Jun 17, 2026

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.

Vendors: campbellsci
Products: cr6 firmware, cr300 firmware, cr800 firmware, cr1000 firmware, cr3000 firmware
Weakness: CWE-200
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

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