PT-2022-9795 · Lanner · Lanner Inc Iac-Ast2500A

Andrea Palanca · Published 2022-10-24 · Updated 2023-02-03 · CVE-2021-26733

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Lanner Inc IAC-AST2500A standard firmware version 1.10.0

Description A broken access control issue in the FirstReset handler func function of spx restservice allows an attacker to send arbitrary reboot commands to the BMC, resulting in a Denial-of-Service (DoS) condition.

Recommendations For Lanner Inc IAC-AST2500A standard firmware version 1.10.0, consider disabling the FirstReset handler func function as a temporary workaround until a patch is available.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2021-26733

Affected Products

Lanner Inc Iac-Ast2500A

References · 4

• https://osv.dev/vulnerability/CVE-2021-26733 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26733 · Security Note
• https://nozominetworks.com/labs/vulnerability-advisories/cve-2021-26733 · Note
• https://nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1 · Note