CVE-2021-26733

Summary

A broken access control vulnerability in the FirstReset_handler_func function of spx_restservice allows an attacker to arbitrarily send reboot commands to the BMC, causing a Denial-of-Service (DoS) condition. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

Affected Software

Weaknesses

• CWE-284: CWE-284 Improper Access Control

ADP Enrichment

CVE Program Container

Additional References

• https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/
• https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26733/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/
• https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26733/

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