CVE-2021-26733

spx_restservice FirstReset_handler_func Broken Access Control

State: Published
Severity: 5.3 Medium
Published: Oct 24, 2022
Updated: May 7, 2025
Reserved: Feb 5, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	Nozomi

Weaknesses

CWE-284 Improper Access Control

Affected Products

Product	Versions
IAC-AST2500ALanner Inc	1.10.0Affected

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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