CVE-2021-26733

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-26733
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.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/ Third Party Advisory
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26733/ Third Party Advisory
https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/ Third Party Advisory
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26733/ Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:lannerinc:iac-ast2500a_firmware:1.10.0:*:*:*:*:*:*:*
cpe:2.3:h:lannerinc:iac-ast2500a:-:*:*:*:*:*:*:*
History

21 Nov 2024, 05:56

Type Values Removed Values Added
References () https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/ - Third Party Advisory () https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/ - Third Party Advisory
References () https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26733/ - Third Party Advisory () https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26733/ - Third Party Advisory
CVSS v2 : unknown
v3 : 7.5 		v2 : unknown
v3 : 5.3

01 Dec 2022, 17:15

Type Values Removed Values Added
References
  • {'url': 'https://www.nozominetworks.com/labs/vulnerability-advisories/CVE-2021-26733/', 'name': 'https://www.nozominetworks.com/labs/vulnerability-advisories/CVE-2021-26733/', 'tags': ['Broken Link'], 'refsource': 'MISC'}
  • {'url': 'https://github.com/CVEProject/cvelist/blob/master/2021/26xxx/CVE-2021-26733.json', 'name': 'https://github.com/CVEProject/cvelist/blob/master/2021/26xxx/CVE-2021-26733.json', 'tags': ['Third Party Advisory'], 'refsource': 'MISC'}
  • (MISC) https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/ -
  • (MISC) https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26733/ -

24 Oct 2022, 18:04

Type Values Removed Values Added
New CVE
Information

Published : 2022-10-24 14:15

Updated : 2024-11-21 05:56

NVD link : CVE-2021-26733

Mitre link : CVE-2021-26733

CVE.ORG link : CVE-2021-26733

JSON object : View

Products Affected

lannerinc

  • iac-ast2500a
  • iac-ast2500a_firmware
CWE
CWE-284

Improper Access Control

NVD-CWE-Other