CVE-2021-26730 — CRITICAL (10.0)

Vulnerability Description

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 Score

10.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Lannerinc	Iac-Ast2500A Firmware	1.10.0
Lannerinc	Iac-Ast2500A	-

Related Weaknesses (CWE)

CWE-121 CWE-787

References

https://www.nozominetworks.com/blog/vulnerabilities-in-bmc-firmware-affect-ot-ioThird 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-ioThird Party Advisory
https://www.nozominetworks.com/labs/vulnerability-advisories/cve-2021-26730/Third Party Advisory

FAQ

What is CVE-2021-26730?

CVE-2021-26730 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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 u...

How severe is CVE-2021-26730?

CVE-2021-26730 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-26730?

Check the references section above for vendor advisories and patch information. Affected products include: Lannerinc Iac-Ast2500A Firmware, Lannerinc Iac-Ast2500A.