CVE-2021-26730

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-26730
A stack-based buffer overflow vulnerability in a subfunction of the Login_handler_func function of spx_restservice allows an attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

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-2021-26730/ 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

03 Dec 2022, 15:08

Type Values Removed Values Added
References (MISC) https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/ - (MISC) https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-iot-device-security-part-1/ - Third Party Advisory
References (MISC) https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26730/ - (MISC) https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26730/ - Third Party Advisory

01 Dec 2022, 17:15

Type Values Removed Values Added
References
  • {'url': 'https://github.com/CVEProject/cvelist/blob/master/2021/26xxx/CVE-2021-26730.json', 'name': 'https://github.com/CVEProject/cvelist/blob/master/2021/26xxx/CVE-2021-26730.json', 'tags': ['Third Party Advisory'], 'refsource': 'MISC'}
  • {'url': 'https://www.nozominetworks.com/labs/vulnerability-advisories/CVE-2021-26730/', 'name': 'https://www.nozominetworks.com/labs/vulnerability-advisories/CVE-2021-26730/', 'tags': ['Broken Link'], '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-2021-26730/ -

24 Oct 2022, 17:27

Type Values Removed Values Added
New CVE
Information

Published : 2022-10-24 14:15

Updated : 2023-12-10 14:35

NVD link : CVE-2021-26730

Mitre link : CVE-2021-26730

CVE.ORG link : CVE-2021-26730

JSON object : View

Products Affected

lannerinc

  • iac-ast2500a_firmware
  • iac-ast2500a
CWE
CWE-787

Out-of-bounds Write

CWE-121

Stack-based Buffer Overflow