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.

CVSS v3 10.0 CRITICAL

10.0^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

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
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

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-2021-26730/ - Third Party Advisory~~	() https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26730/ - Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~9.8~~	v2 : unknown v3 : 10.0

Information

Published : 2022-10-24 14:15

Updated : 2024-11-21 05:56

NVD link : CVE-2021-26730

Mitre link : CVE-2021-26730

CVE.ORG link : CVE-2021-26730

JSON object : View

Products Affected

lannerinc

iac-ast2500a
iac-ast2500a_firmware

CWE

CWE-121

Stack-based Buffer Overflow

CWE-787

Out-of-bounds Write

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10.0 /10