CVE-2021-26731

Command injection and multiple stack-based buffer overflows vulnerabilities in the modifyUserb_func function of spx_restservice allow 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 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

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-2021-26731/	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

No history.

Information

Published : 2022-10-24 14:15

Updated : 2024-02-28 19:29

NVD link : CVE-2021-26731

Mitre link : CVE-2021-26731

CVE.ORG link : CVE-2021-26731

JSON object : View

Products Affected

lannerinc

iac-ast2500a
iac-ast2500a_firmware

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-787

Out-of-bounds Write

CWE-121

Stack-based Buffer Overflow

CWE-94

Improper Control of Generation of Code ('Code Injection')

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