CVE-2023-0321

Summary

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 Software

VendorProductVersion RangeStatus
Campbell ScientificCR6all versionaffected
Campbell ScientificCR300all versionaffected
Campbell ScientificCR800all versionaffected
Campbell ScientificCR1000all versionaffected
Campbell ScientificCR3000all versionaffected

Weaknesses

  • CWE-200: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Workarounds

HTTP can be disabled or secured through username/password, and Pakbus can be secured through the use of PakBus encryption key and/or PakBus/TCP password. Campbell Scientific offers a guide with instructions to maximize the security of all Internet connectivity of the affected devices (see more in the references).

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: yes
    • Technical Impact: partial

References